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CVE-2021-44686
Published: Dec 6, 2021
Modified: Nov 4, 2025
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://bugs.launchpad.net/calibre/+bug/1951979
x_refsource_MISC
https://github.com/dwisiswant0/advisory/issues/18
x_refsource_MISC
https://github.com/kovidgoyal/calibre/compare/v5.31.1...v5.32.0
x_refsource_MISC
FEDORA-2021-e42fadbcc3
vendor-advisory
x_refsource_FEDORA
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