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libxslt: libxml2: Heap Use-After-Free in libxslt caused by atype corruption in xmlAttrPtr

🗓️ 29 Apr 2026 05:59:17Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Libxslt heap use after free from atype corruption in xmlAttrPtr during XSLT key processing, risking crashes.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libxml2-162.15.3-0.1.hum1libxml2-16-2.15.3-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libxml2-162.15.3-0.1.hum1libxml2-16-2.15.3-0.1.hum1.x86_64.rpm

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21 Jul 2026 01:28Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.8
EPSS0.00339
SSVC
CWE-416
libxsltlibxml2heap use after freeatype corruptionxmlAttrPtrxslt key functionid attribute cleanup
2