| Name | CVE-2023-37463 |
| Description | cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12. |
| 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 | 1041097, 1041098, 1041099, 1041100 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| cmark-gfm (PTS) | buster | 0.28.3.gfm.19-3 | vulnerable |
| bullseye | 0.29.0.gfm.0-6 | vulnerable | |
| sid, trixie, bookworm | 0.29.0.gfm.6-6 | vulnerable | |
| python-cmarkgfm (PTS) | buster, bullseye | 0.4.2-1 | vulnerable |
| sid, trixie, bookworm | 0.8.0-3 | vulnerable | |
| r-cran-commonmark (PTS) | buster | 1.7-1 | vulnerable |
| bullseye | 1.7-2 | vulnerable | |
| bookworm | 1.8.1-1 | vulnerable | |
| sid, trixie | 1.9.1-1 | vulnerable | |
| ruby-commonmarker (PTS) | buster | 0.17.9-1 | vulnerable |
| bullseye | 0.21.0-1 | vulnerable | |
| bookworm | 0.23.6-1 | vulnerable | |
| sid, trixie | 0.23.10-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| cmark-gfm | source | (unstable) | (unfixed) | 1041097 | ||
| python-cmarkgfm | source | (unstable) | (unfixed) | 1041098 | ||
| r-cran-commonmark | source | (unstable) | (unfixed) | 1041099 | ||
| ruby-commonmarker | source | (unstable) | (unfixed) | 1041100 |
[bookworm] - cmark-gfm <no-dsa> (Minor issue)
[bullseye] - cmark-gfm <no-dsa> (Minor issue)
[buster] - cmark-gfm <no-dsa> (Minor issue)
[bookworm] - python-cmarkgfm <no-dsa> (Minor issue)
[bullseye] - python-cmarkgfm <no-dsa> (Minor issue)
[buster] - python-cmarkgfm <no-dsa> (Minor issue)
[bookworm] - r-cran-commonmark <no-dsa> (Minor issue)
[bullseye] - r-cran-commonmark <no-dsa> (Minor issue)
[buster] - r-cran-commonmark <no-dsa> (Minor issue)
[bookworm] - ruby-commonmarker <no-dsa> (Minor issue)
[bullseye] - ruby-commonmarker <no-dsa> (Minor issue)
[buster] - ruby-commonmarker <no-dsa> (Minor issue)
https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5