Inefficient Regular Expression Complexity Affecting python-3.11 package, versions <3.11.9-r9


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.11% (45th percentile)

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  • Snyk ID SNYK-CHAINGUARDLATEST-PYTHON311-7923794
  • published 6 Sep 2024
  • disclosed 19 Aug 2024

How to fix?

Upgrade Chainguard python-3.11 to version 3.11.9-r9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-3.11 package and not the python-3.11 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

There is a LOW severity vulnerability affecting CPython, specifically the 'http.cookies' standard library module.

When parsing cookies that contained backslashes for quoted characters in the cookie value, the parser would use an algorithm with quadratic complexity, resulting in excess CPU resources being used while parsing the value.

CVSS Scores

version 3.1
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NVD

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

2.6 low
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Red Hat

4.8 medium