VDB
DEBIAN-CVE-2023-4255
DEBIAN-CVE-2023-4255
PUBLISHED
CVSS 5.5 MEDIUM
An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | w3m | 0, 0, 0 |
| Debian:12 | w3m | 0.5.3+git20230121-2.2, 0.5.3+git20230121-2.3, 0.5.3+git20230121 |
| Debian:11 | w3m | *, *, 0 |
| Debian:14 | w3m | 0, 0, 0 |
Timeline
- Dec 21, 2023 CVE Published
- Apr 28, 2026 CVE Updated