CVE-2021-44686

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Summary

CVECVE-2021-44686
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-12-07 00:15:00 UTC
Updated2023-11-07 03:39:00 UTC
Descriptioncalibre 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.

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Calibre-ebook Calibre All All All All
Operating System Fedoraproject Fedora 34 All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: calibre-4.23.0-8.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Comparing v5.31.1...v5.32.0 · kovidgoyal/calibre · GitHub MISC github.com
Bug #1951979 “calibre contains a regular expression that is vuln...” : Bugs : calibre MISC bugs.launchpad.net
ReDoS in calibre · Issue #18 · dwisiswant0/advisory · GitHub MISC github.com
[SECURITY] Fedora 34 Update: calibre-4.23.0-8.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 182907 Debian Security Update for calibre (CVE-2021-44686)
  • 282180 Fedora Security Update for calibre (FEDORA-2021-e42fadbcc3)
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