UBUNTU-CVE-2021-44686
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-44686
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2021-44686, 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://www.cve.org/CVERecord?id=CVE-2021-44686
Affected packages
Package
Name: calibre
Purl: pkg:deb/ubuntu/calibre?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.33.0+dfsg-1build1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
