This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2021-26813 →
DEBIAN-CVE-2021-26813
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,...
Original description
The description as published by the source.
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: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
python-markdown2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.10-1.1"}]}]
Debian:13
python-markdown2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.10-1.1"}]}]
Debian:14
python-markdown2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.10-1.1"}]}]
References
- advisory security-tracker.debian.org