Buffer Over-read The advisory has been revoked - it doesn't affect any version of package libxml2-devel (opens in a new tab)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-RHEL10-LIBXML2DEVEL-10948494
- published26 Jul 2025
- disclosed8 May 2024
Introduced: 8 May 2024
CVE-2024-34459 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxml2-devel package and not the libxml2-devel package as distributed by RHEL.
An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2280532
- https://access.redhat.com/security/cve/CVE-2024-34459
- https://access.redhat.com/errata/RHSA-2026:28234
- https://access.redhat.com/errata/RHSA-2026:33635
- https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5HVUXKYTBWT3G5DEEQX62STJQBY367NL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/INKSSLW5VMZIXHRPZBAW4TJUX5SQKARG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VRDJCNQP32LV56KESUQ5SNZKAJWSZZRI/
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/720
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.8
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.7
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5HVUXKYTBWT3G5DEEQX62STJQBY367NL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/INKSSLW5VMZIXHRPZBAW4TJUX5SQKARG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRDJCNQP32LV56KESUQ5SNZKAJWSZZRI/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html