high7.5
CVE-2021-44686
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/conve…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Calibre-Ebook | Calibre | before 5.32.0 |
| Fedoraproject | Fedora | Version 34 |
Weakness classification
References
- NVD record
- CVE.org record
- 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
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7QKFPYJ23KG6WJ5NIYAM4N2NWZCLQGL/
- 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
- https://lists.debian.org/debian-lts-announce/2024/09/msg00005.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7QKFPYJ23KG6WJ5NIYAM4N2NWZCLQGL/