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Affected Component
Analysis
libxml2
Patched
Name
CVE-2025-6021
Description
A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/errata/RHSA-2025:10630Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:10698Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:10699Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:11580Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:12098Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:12099Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:12199Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:12237Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:12239Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:12240Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:12241Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:13267Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:13289Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:13325Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:13335Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:13336Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:14059Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:14396Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:15308Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:15672Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-6021Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2372406Issue Tracking
Analysis#
Vulnerability Ratings#
7.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
libxml2 (yocto:kirkstone)
#
Title
Author
Resolve
1
tree: Fix integer overflow in xmlBuildQName
Nick Wellnhofer <wellnhofer@aevum.de>
CVE-2025-6021
libxml2 (yocto:scarthgap)
#
Title
Author
Resolve
1
tree: Fix integer overflow in xmlBuildQName
Nick Wellnhofer <wellnhofer@aevum.de>
CVE-2025-6021