Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package expat-devel (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-EXPATDEVEL-9634436
- published3 Apr 2025
- disclosed30 Aug 2024
Introduced: 30 Aug 2024
CVE-2024-45491 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat-devel package and not the expat-devel package as distributed by RHEL.
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
References
- https://access.redhat.com/security/cve/CVE-2024-45491
- https://github.com/libexpat/libexpat/issues/888
- https://github.com/libexpat/libexpat/pull/891
- https://security.netapp.com/advisory/ntap-20241018-0003/
- https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html