Mozilla Firefox Open source web browser
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Recent Mozilla Firefox Security Advisories
| Advisory | Title | Published |
|---|---|---|
| mfsa2025-53 | Security Vulnerabilities fixed in Firefox ESR 128.12 mfsa2025-53 | June 24, 2025 |
| mfsa2025-52 | Security Vulnerabilities fixed in Firefox ESR 115.25 mfsa2025-52 | June 24, 2025 |
| mfsa2025-51 | Security Vulnerabilities fixed in Firefox 140 mfsa2025-51 | June 24, 2025 |
| mfsa2025-47 | Security Vulnerabilities fixed in Firefox 139.0.4 mfsa2025-47 | June 10, 2025 |
| mfsa2025-44 | Security Vulnerabilities fixed in Firefox ESR 128.11 mfsa2025-44 | May 27, 2025 |
| mfsa2025-42 | Security Vulnerabilities fixed in Firefox 139 mfsa2025-42 | May 27, 2025 |
| mfsa2025-43 | Security Vulnerabilities fixed in Firefox ESR 115.24 mfsa2025-43 | May 27, 2025 |
| mfsa2025-39 | Security Vulnerabilities fixed in Firefox for iOS 139 mfsa2025-39 | May 20, 2025 |
| mfsa2025-38 | Security Vulnerabilities fixed in Firefox ESR 115.23.1 mfsa2025-38 | May 17, 2025 |
| mfsa2025-36 | Security Vulnerabilities fixed in Firefox 138.0.4 mfsa2025-36 | May 17, 2025 |
Known Exploited Mozilla Firefox Vulnerabilities
The following Mozilla Firefox vulnerabilities have been marked by CISA as Known to be Exploited by threat actors.
| Title | Description | Added |
|---|---|---|
| Mozilla Firefox Use-After-Free Vulnerability |
Mozilla Firefox and Firefox ESR contain a use-after-free vulnerability in Animation timelines that allows for code execution in the content process. CVE-2024-9680 Exploit Probability: 11.7% |
October 15, 2024 |
| Mozilla Firefox Security Feature Bypass Vulnerability |
Moxilla Firefox allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges. CVE-2015-4495 Exploit Probability: 75.9% |
May 25, 2022 |
| Mozilla Firefox Use-After-Free Vulnerability |
Mozilla Firefox contains a use-after-free vulnerability in WebGPU IPC Framework which can be exploited to perform arbitrary code execution. CVE-2022-26486 Exploit Probability: 1.2% |
March 7, 2022 |
| Mozilla Firefox Use-After-Free Vulnerability |
Mozilla Firefox contains a use-after-free vulnerability in XSLT parameter processing which can be exploited to perform arbitrary code execution. CVE-2022-26485 Exploit Probability: 4.5% |
March 7, 2022 |
| Mozilla Firefox Information Disclosure Vulnerability |
Mozilla Firefox does not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site. CVE-2013-1675 Exploit Probability: 2.1% |
March 3, 2022 |
The vulnerability CVE-2015-4495: Mozilla Firefox Security Feature Bypass Vulnerability is in the top 5% of the currently known exploitable vulnerabilities.
EOL Dates
Ensure that you are using a supported version of Mozilla Firefox. Here are some end of life, and end of support dates for Mozilla Firefox.
| Release | EOL Date | Status |
|---|---|---|
| 140 | September 16, 2026 |
Active
Mozilla Firefox 140 will become EOL next year, in September 2026. |
| 139 | June 24, 2025 |
EOL
Mozilla Firefox 139 became EOL in 2025. |
| 138 | May 27, 2025 |
EOL
Mozilla Firefox 138 became EOL in 2025. |
| 137 | April 29, 2025 |
EOL
Mozilla Firefox 137 became EOL in 2025. |
| 136 | April 1, 2025 |
EOL
Mozilla Firefox 136 became EOL in 2025. |
| 135 | March 4, 2025 |
EOL
Mozilla Firefox 135 became EOL in 2025. |
| 134 | February 4, 2025 |
EOL
Mozilla Firefox 134 became EOL in 2025. |
| 133 | January 7, 2025 |
EOL
Mozilla Firefox 133 became EOL in 2025. |
| 132 | November 26, 2024 |
EOL
Mozilla Firefox 132 became EOL in 2024. |
| 131 | October 29, 2024 |
EOL
Mozilla Firefox 131 became EOL in 2024. |
| 130 | October 1, 2024 |
EOL
Mozilla Firefox 130 became EOL in 2024. |
| 129 | September 3, 2024 |
EOL
Mozilla Firefox 129 became EOL in 2024. |
| 128 | September 16, 2025 |
EOL This Year
Mozilla Firefox 128 will become EOL this year, in September 2025. |
| 127 | July 9, 2024 |
EOL
Mozilla Firefox 127 became EOL in 2024. |
| 126 | June 11, 2024 |
EOL
Mozilla Firefox 126 became EOL in 2024. |
| 125 | May 14, 2024 |
EOL
Mozilla Firefox 125 became EOL in 2024. |
| 124 | April 16, 2024 |
EOL
Mozilla Firefox 124 became EOL in 2024. |
| 123 | March 19, 2024 |
EOL
Mozilla Firefox 123 became EOL in 2024. |
| 122 | February 20, 2024 |
EOL
Mozilla Firefox 122 became EOL in 2024. |
| 121 | January 23, 2024 |
EOL
Mozilla Firefox 121 became EOL in 2024. |
By the Year
In 2025 there have been 93 vulnerabilities in Mozilla Firefox with an average score of 8.3 out of ten. Last year, in 2024 Firefox had 187 security vulnerabilities published. Right now, Firefox is on track to have less security vulnerabilities in 2025 than it did last year. However, the average CVE base score of the vulnerabilities in 2025 is greater by 1.17.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 93 | 8.27 |
| 2024 | 187 | 7.10 |
| 2023 | 174 | 7.33 |
| 2022 | 157 | 7.44 |
| 2021 | 123 | 7.10 |
| 2020 | 132 | 7.36 |
| 2019 | 108 | 7.62 |
| 2018 | 130 | 8.08 |
It may take a day or so for new Firefox vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Mozilla Firefox Security Vulnerabilities
An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID
CVE-2025-6425
- June 24, 2025
An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
The executable file warning did not warn users before opening files with the `terminal` extension
CVE-2025-6426
- June 24, 2025
The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140 and Firefox ESR < 128.12.
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments
CVE-2025-6427
- June 24, 2025
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability affects Firefox < 140.
When a URL was provided in a link querystring parameter, Firefox for Android would follow
CVE-2025-6428
- June 24, 2025
When a URL was provided in a link querystring parameter, Firefox for Android would follow that URL instead of the correct URL, potentially leading to phishing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140.
Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag
CVE-2025-6429
- June 24, 2025
Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This vulnerability affects Firefox < 140 and Firefox ESR < 128.12.
When a file download is specified via the `Content-Disposition` header
CVE-2025-6430
- June 24, 2025
When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability affects Firefox < 140 and Firefox ESR < 128.12.
When a link can be opened in an external application, Firefox for Android will, by default, prompt the user before doing so
CVE-2025-6431
- June 24, 2025
When a link can be opened in an external application, Firefox for Android will, by default, prompt the user before doing so. An attacker could have bypassed this prompt, potentially exposing the user to security vulnerabilities or privacy leaks in external applications. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140.
When Multi-Account Containers was enabled
CVE-2025-6432
- June 24, 2025
When Multi-Account Containers was enabled, DNS requests could have bypassed a SOCKS proxy when the domain name was invalid or the SOCKS proxy was not responding. This vulnerability affects Firefox < 140.
If a user visited a webpage with an invalid TLS certificate, and granted an exception, the webpage was able to provide a WebAuthn challenge
CVE-2025-6433
- June 24, 2025
If a user visited a webpage with an invalid TLS certificate, and granted an exception, the webpage was able to provide a WebAuthn challenge that the user would be prompted to complete. This is in violation of the WebAuthN spec which requires "a secure transport established without errors". This vulnerability affects Firefox < 140.
The exception page for the HTTPS-Only feature, displayed when a website is opened via HTTP, lacked an anti-clickjacking delay, potentially
CVE-2025-6434
- June 24, 2025
The exception page for the HTTPS-Only feature, displayed when a website is opened via HTTP, lacked an anti-clickjacking delay, potentially allowing an attacker to trick a user into granting an exception and loading a webpage over HTTP. This vulnerability affects Firefox < 140.
If a user saved a response from the Network tab in Devtools using the Save As context menu option
CVE-2025-6435
- June 24, 2025
If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with the `.download` file extension. This could have led to the user inadvertently running a malicious executable. This vulnerability affects Firefox < 140.
Memory safety bugs present in Firefox 139 and Thunderbird 139
CVE-2025-6436
- June 24, 2025
Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 140.
A use-after-free in FontFaceSet resulted in a potentially exploitable crash
CVE-2025-6424
- June 24, 2025
A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
Certain canvas operations could have lead to memory corruption
CVE-2025-49709
- June 11, 2025
Certain canvas operations could have lead to memory corruption. This vulnerability affects Firefox < 139.0.4.
An integer overflow was present in `OrderedHashTable` used by the JavaScript engine This vulnerability affects Firefox < 139.0.4.
CVE-2025-49710
- June 11, 2025
An integer overflow was present in `OrderedHashTable` used by the JavaScript engine This vulnerability affects Firefox < 139.0.4.
Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks
CVE-2025-5263
- May 27, 2025
Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Due to insufficient escaping of the ampersand character in the Copy as cURL feature
CVE-2025-5265
- May 27, 2025
Due to insufficient escaping of the ampersand character in the Copy as cURL feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Due to insufficient escaping of the newline character in the Copy as cURL feature
CVE-2025-5264
- May 27, 2025
Due to insufficient escaping of the newline character in the Copy as cURL feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks
CVE-2025-5266
- May 27, 2025
Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
A clickjacking vulnerability could have been used to trick a user into leaking saved payment card details to a malicious page
CVE-2025-5267
- May 27, 2025
A clickjacking vulnerability could have been used to trick a user into leaking saved payment card details to a malicious page. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10
CVE-2025-5268
- May 27, 2025
Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10
CVE-2025-5269
- May 27, 2025
Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 128.11 and Thunderbird < 128.11.
In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled
CVE-2025-5270
- May 27, 2025
In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability affects Firefox < 139 and Thunderbird < 139.
Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks
CVE-2025-5271
- May 27, 2025
Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139 and Thunderbird < 139.
Memory safety bugs present in Firefox 138 and Thunderbird 138
CVE-2025-5272
- May 27, 2025
Memory safety bugs present in Firefox 138 and Thunderbird 138. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 139 and Thunderbird < 139.
Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have
CVE-2025-5020
- May 21, 2025
Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client This vulnerability affects Firefox for iOS < 139.
An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object
CVE-2025-4918
- May 17, 2025
An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2.
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes
CVE-2025-4919
- May 17, 2025
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2.
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could
CVE-2025-4083
- April 29, 2025
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.
Thunderbird's update mechanism
CVE-2025-2817
- April 29, 2025
Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled by a non-privileged user and enabling privilege escalation. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9
CVE-2025-4093
- April 29, 2025
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 128.10 and Thunderbird < 128.10.
Memory safety bugs present in Firefox 137 and Thunderbird 137
CVE-2025-4092
- April 29, 2025
Memory safety bugs present in Firefox 137 and Thunderbird 137. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 138 and Thunderbird < 138.
Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9
CVE-2025-4091
- April 29, 2025
Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.
A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat
CVE-2025-4090
- April 29, 2025
A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability affects Firefox < 138 and Thunderbird < 138.
Due to insufficient escaping of special characters in the "copy as cURL" feature
CVE-2025-4089
- April 29, 2025
Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 138 and Thunderbird < 138.
A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site
CVE-2025-4088
- April 29, 2025
A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site that had invoked the Storage Access API. This enabled potential Cross-Site Request Forgery attacks across origins. This vulnerability affects Firefox < 138 and Thunderbird < 138.
A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog
CVE-2025-4086
- April 29, 2025
A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. *This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.* This vulnerability affects Firefox < 138 and Thunderbird < 138.
An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges
CVE-2025-4085
- April 29, 2025
An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges. This vulnerability affects Firefox < 138 and Thunderbird < 138.
Due to insufficient escaping of the special characters in the "copy as cURL" feature
CVE-2025-4084
- April 29, 2025
Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.* This vulnerability affects Firefox ESR < 128.10, Firefox ESR < 115.23, and Thunderbird < 128.10.
Modification of specific WebGL shader attributes could trigger an out-of-bounds read
CVE-2025-4082
- April 29, 2025
Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.* This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.
A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access
CVE-2025-4087
- April 29, 2025
A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.
A race condition existed in nsHttpTransaction
CVE-2025-3608
- April 15, 2025
A race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condition. This vulnerability affects Firefox < 137.0.2.
Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks
CVE-2025-3032
- April 01, 2025
Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability affects Firefox < 137 and Thunderbird < 137.
Memory safety bugs present in Firefox 136 and Thunderbird 136
CVE-2025-3034
- April 01, 2025
Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 137 and Thunderbird < 137.
Memory Corruption
After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded
CVE-2025-3033
- April 01, 2025
After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 137 and Thunderbird < 137.
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function
CVE-2025-3031
- April 01, 2025
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability affects Firefox < 137 and Thunderbird < 137.
Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8
CVE-2025-3030
- April 01, 2025
Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 137, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free
CVE-2025-3028
- April 01, 2025
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.
A crafted URL containing specific Unicode characters could have hidden the true origin of the page
CVE-2025-3029
- April 01, 2025
A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability affects Firefox < 137, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.
By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab
CVE-2025-3035
- April 01, 2025
By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability affects Firefox < 137.
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