Integer Overflow or Wraparound Affecting expat package, versions <2.2.0-2+deb9u5


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.54% (78th percentile)

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  • Snyk IDSNYK-DEBIAN9-EXPAT-2359254
  • published24 Jan 2022
  • disclosed24 Jan 2022

Introduced: 24 Jan 2022

CVE-2022-23852  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Debian:9 expat to version 2.2.0-2+deb9u5 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 Debian. See How to fix? for Debian:9 relevant fixed versions and status.

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

CVSS Scores

version 3.1