Integer Overflow or Wraparound Affecting expat package, versions <0:2.5.0-2.el9_4.1
Threat Intelligence
EPSS
0.09% (41st
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ALMALINUX9-EXPAT-8066409
- published 20 Sep 2024
- disclosed 18 Sep 2024
Introduced: 18 Sep 2024
CVE-2024-45491 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 expat to version 0:2.5.0-2.el9_4.1 or higher.
This issue was patched in ALSA-2024:6754.
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
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://errata.almalinux.org/9/ALSA-2024-6754.html
- https://errata.almalinux.org/8/ALSA-2024-6989.html
- https://errata.almalinux.org/8/ALSA-2024-8859.html
- https://access.redhat.com/security/cve/CVE-2024-45491
- https://access.redhat.com/errata/RHSA-2024:6754
- https://access.redhat.com/errata/RHSA-2024:6989
- https://access.redhat.com/errata/RHSA-2024:8859
- https://github.com/libexpat/libexpat/issues/888
- https://github.com/libexpat/libexpat/pull/891
- https://security.netapp.com/advisory/ntap-20241018-0003/
CVSS Scores
version 3.1