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Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting expat package, versions <2.6.0-r0

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.05% (20th percentile)
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NVD
5.5 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-ALPINE319-EXPAT-6241037
  • published 10 Feb 2024
  • disclosed 4 Feb 2024
Report a new vulnerability Found a mistake?

Introduced: 4 Feb 2024

CVE-2023-52426 Open this link in a new tab
CWE-776 Open this link in a new tab

How to fix?

Upgrade Alpine:3.19 expat to version 2.6.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Alpine. See How to fix? for Alpine:3.19 relevant fixed versions and status.

libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.