| Name | CVE-2021-26813 |
| Description | markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time. |
| 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 | 984668 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| python-markdown2 (PTS) | bullseye | 2.3.10-1.1 | fixed |
| bookworm | 2.4.1-1 | fixed | |
| sid, trixie | 2.4.11-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| python-markdown2 | source | (unstable) | 2.3.10-1.1 | 984668 |
[buster] - python-markdown2 <no-dsa> (Minor issue)
https://github.com/trentm/python-markdown2/pull/387
https://github.com/trentm/python-markdown2/commit/96dff22341489459c8cb832fdfd066a588ec23bf
https://github.com/trentm/python-markdown2/commit/e1954d3a345fc7a4ccc113bd58f7df81ad63b6ec
https://github.com/trentm/python-markdown2/commit/c4b4ccb3f9da33f29b013d6d765fd223a8277cfe