| Name | CVE-2021-30027 |
| Description | md_analyze_line in md4c.c in md4c 0.4.7 allows attackers to trigger use of uninitialized memory, and cause a denial of service via a malformed Markdown document. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 987799 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| md4c (PTS) | bullseye | 0.4.7-2 | fixed |
| bookworm | 0.4.8-1 | fixed |
| sid, trixie | 0.5.2-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| md4c | source | (unstable) | 0.4.7-2 | | | 987799 |
Notes
https://github.com/mity/md4c/issues/155
https://github.com/mity/md4c/commit/4fc808d8fe8d8904f8525bb4231d854f45e23a19