7.5

CVE-2021-44686

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Calibre-ebook ≫ Calibre Version < 5.32.0
Fedoraproject ≫ Fedora Version34
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.99% 0.911
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

https://bugs.launchpad.net/calibre/+bug/1951979
Vendor Advisory
Exploit
Issue Tracking
https://github.com/dwisiswant0/advisory/issues/18
Patch
Third Party Advisory
Exploit
Issue Tracking
https://github.com/kovidgoyal/calibre/compare/v5.31.1...v5.32.0
Patch
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7QKFPYJ23KG6WJ5NIYAM4N2NWZCLQGL/
https://lists.debian.org/debian-lts-announce/2024/09/msg00005.html