UAF in Firefox AV before 145 (ESR <140.5/115.30)
CVE-2025-13014 Published on November 11, 2025

Use-after-free in the Audio/Video component
Use-after-free in the Audio/Video component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.

NVD

Vulnerability Analysis

CVE-2025-13014 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2025-13014 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2025-13014

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Affected Versions

Mozilla Firefox: Mozilla Firefox ESR: Mozilla Firefox ESR: Mozilla Thunderbird: Mozilla Thunderbird:

Exploit Probability

EPSS
0.07%
Percentile
20.47%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.