An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m doesn't properly validate the value of tag attribute, which allows remote attackers to cause a denial of service (heap buffer overflow crash) and possibly execute arbitrary code via a crafted HTML page.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Dec 12, 2016 |
| Debian | — | Upgrade w3m | Jul 30, 2024 | Dec 12, 2016 |
| Freebsd | — | Upgrade w3m-imgUpgrade ja-w3m-imgUpgrade ja-w3mUpgrade w3m | Jan 3, 2017 | Jan 1, 2017 |
| Gentoo Linux | — | Upgrade www-client/w3m. | Oct 30, 2017 | Dec 11, 2016 |
| Oracle Solaris | — | Upgrade web/browser/w3m to version 0.5.3-0.175.3.15.0.4.0 on Solaris 11.3 | May 29, 2017 | Dec 11, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 16, 2016 |
| Suse | — | Upgrade w3m | Dec 9, 2016 | Dec 7, 2016 |
| Ubuntu | — | Upgrade w3m | Mar 3, 2017 | Dec 11, 2016 |
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