| Name | CVE-2021-23180 |
| Description | A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service. |
| 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-2700-1, DSA-4928-1, ELA-451-1 |
| Debian Bugs | 989437 |
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 | fixed |
| stretch (security), stretch (lts), stretch | 1.8.27-8+deb9u3 | fixed |
| buster | 1.9.3-1+deb10u4 | fixed |
| buster (security), buster (lts) | 1.9.3-1+deb10u2 | fixed |
| bullseye | 1.9.11-4+deb11u3 | fixed |
| 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.
Notes
https://github.com/michaelrsweet/htmldoc/issues/418
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a
Crash in CLI tool, no security impact