Allocation of Resources Without Limits or Throttling Affecting calibre package, versions <5.33.0+dfsg-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.88% (75th percentile)

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  • Snyk IDSNYK-DEBIAN13-CALIBRE-5676204
  • published7 Dec 2021
  • disclosed7 Dec 2021

Introduced: 7 Dec 2021

CVE-2021-44686  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Debian:13 calibre to version 5.33.0+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream calibre package and not the calibre package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1