CVE-2021-44686

State: Published
Severity: Not scored
Published: Dec 6, 2021
Updated: Nov 4, 2025
Reserved: Dec 6, 2021

Description

calibre before 5.32.0 contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in html_preprocess_rules in ebooks/conversion/preprocess.py.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://bugs.launchpad.net/calibre/+bug/1951979
https://github.com/dwisiswant0/advisory/issues/18
https://github.com/kovidgoyal/calibre/compare/v5.31.1...v5.32.0
FEDORA-2021-e42fadbcc3vendor-advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00005.html

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