| Name | CVE-2021-34121 |
| Description | An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| htmldoc (PTS) | jessie, jessie (lts) | 1.8.27-8+deb8u4 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.8.27-8+deb9u3 | vulnerable |
| buster | 1.9.3-1+deb10u4 | vulnerable |
| buster (security), buster (lts) | 1.9.3-1+deb10u2 | vulnerable |
| bullseye | 1.9.11-4+deb11u3 | vulnerable |
| bookworm | 1.9.16-1 | fixed |
| sid, trixie | 1.9.20-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| htmldoc | source | (unstable) | 1.9.13-1 | unimportant | | |
Notes
https://github.com/michaelrsweet/htmldoc/issues/433
https://github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab (v1.9.13)