| Name | CVE-2022-38223 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3541-1, ELA-931-1 |
| Debian Bugs | 1019599 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| w3m (PTS) | jessie, jessie (lts) | 0.5.3-19+deb8u4 | fixed |
| stretch (lts), stretch | 0.5.3-34+deb9u2 | fixed |
| buster (security), buster, buster (lts) | 0.5.3-37+deb10u1 | fixed |
| bullseye | 0.5.3+git20210102-6+deb11u1 | fixed |
| sid, trixie, bookworm | 0.5.3+git20230121-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| w3m | source | jessie | 0.5.3-19+deb8u4 | | ELA-931-1 | |
| w3m | source | stretch | 0.5.3-34+deb9u2 | | ELA-931-1 | |
| w3m | source | buster | 0.5.3-37+deb10u1 | | DLA-3541-1 | |
| w3m | source | bullseye | 0.5.3+git20210102-6+deb11u1 | | | |
| w3m | source | (unstable) | 0.5.3+git20230121-1 | | | 1019599 |
Notes
https://github.com/tats/w3m/issues/242
Initial fix: https://github.com/tats/w3m/commit/419ca82d57c72242817b55e2eaa4cdbf6916e7fa
Follow-up fix: https://github.com/tats/w3m/commit/25fb402cea405b263466c627f32513d186a38ade