Use After Free Affecting libexpat1-32bit package, versions <2.4.4-150400.3.12.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.24% (48th percentile)

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  • Snyk IDSNYK-SLES154-LIBEXPAT132BIT-3107020
  • published8 Nov 2022
  • disclosed7 Nov 2022

Introduced: 7 Nov 2022

CVE-2022-43680  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 libexpat1-32bit to version 2.4.4-150400.3.12.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libexpat1-32bit package and not the libexpat1-32bit package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

References

CVSS Base Scores

version 3.1