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By the Year
In 2025 there have been 0 vulnerabilities in W3mproject W3m. W3m did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 2 | 5.50 |
| 2022 | 1 | 7.80 |
| 2021 | 0 | 0.00 |
| 2020 | 0 | 0.00 |
| 2019 | 0 | 0.00 |
| 2018 | 3 | 6.57 |
It may take a day or so for new W3m 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 W3mproject W3m Security Vulnerabilities
An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c
CVE-2023-38253
5.5 - Medium
- July 14, 2023
An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
Out-of-bounds Read
An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c
CVE-2023-38252
5.5 - Medium
- July 14, 2023
An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
Out-of-bounds Read
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3
CVE-2022-38223
7.8 - High
- August 15, 2022
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.
Memory Corruption
w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0
CVE-2018-6196
7.5 - High
- January 25, 2018
w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.
Infinite Loop
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
CVE-2018-6197
7.5 - High
- January 25, 2018
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
NULL Pointer Dereference
w3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable, which
CVE-2018-6198
4.7 - Medium
- January 25, 2018
w3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable, which allows a local attacker to craft a symlink attack to overwrite arbitrary files.
insecure temporary file
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