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.
Metrics
Affected Vendors & Products
References
History
Tue, 04 Nov 2025 16:30:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2021-12-06T23:41:12.000Z
Updated: 2025-11-04T16:09:27.961Z
Reserved: 2021-12-06T00:00:00.000Z
Link: CVE-2021-44686
No data.
Status : Modified
Published: 2021-12-07T00:15:08.087
Modified: 2025-11-04T16:15:45.927
Link: CVE-2021-44686
No data.