Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libxml2 package, versions <2.9.8-r3


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.59% (79th percentile)

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  • Snyk ID SNYK-ALPINE314-LIBXML2-1306972
  • published 21 Jul 2020
  • disclosed 21 Jan 2020

How to fix?

Upgrade Alpine:3.14 libxml2 to version 2.9.8-r3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Alpine. See How to fix? for Alpine:3.14 relevant fixed versions and status.

xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.

CVSS Scores

version 3.1
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NVD

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

4.3 medium
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Red Hat

7.5 high