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libarchive: A NULL pointer dereference vulnerability exists in the ACL parser of libarchive

🗓️ 20 Apr 2026 10:34:46Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 15 Views

Null pointer dereference in libarchive ACL parser causes bsdtar crashes with malformed ACL strings, enabling DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libarchive3.8.7-1.hum1libarchive-3.8.7-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libarchive3.8.7-1.hum1libarchive-3.8.7-1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64libarchive-devel3.8.7-1.hum1libarchive-devel-3.8.7-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libarchive-devel3.8.7-1.hum1libarchive-devel-3.8.7-1.hum1.x86_64.rpm

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14 Oct 2026 19:31Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.5
EPSS0.00171
SSVC
15