Integer Overflow or Wraparound Affecting expat package, versions <2.4.4-r0
Threat Intelligence
EPSS
2.07% (90th
percentile)
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Test your applications- Snyk ID SNYK-ALPINE316-EXPAT-2842160
- published 4 Feb 2022
- disclosed 24 Jan 2022
Introduced: 24 Jan 2022
CVE-2022-23852 Open this link in a new tabHow to fix?
Upgrade Alpine:3.16 expat to version 2.4.4-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:3.16 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.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://github.com/libexpat/libexpat/pull/550
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220217-0001/
- https://www.debian.org/security/2022/dsa-5073
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.tenable.com/security/tns-2022-05
CVSS Scores
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