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Resource Exhaustion Affecting expat package, versions <0:2.1.0-15.amzn2.0.3

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.45% (75th percentile)
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NVD
6.5 medium
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SUSE
6.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-AMZN2-EXPAT-5936124
  • published 6 Oct 2023
  • disclosed 18 Feb 2022
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Introduced: 18 Feb 2022

CVE-2022-25313 Open this link in a new tab
CWE-400 Open this link in a new tab
CWE-770 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 expat to version 0:2.1.0-15.amzn2.0.3 or higher.
This issue was patched in ALAS2-2023-2280.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

References