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libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing

🗓️ 20 Apr 2026 10:34:46Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 14 Views

Libarchive has a 32-bit overflow in zisofs allocation for ISO9660 images, risking heap overflow and remote code execution.

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Rows per page
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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05 Oct 2026 18:33Current
8High risk
Vulners AI Score8
CVSS 3.17.5 - 9.8
EPSS0.0143
SSVC
CWE-190
libarchiveinteger overflowzisofsiso9660 imagesheap overflowremote code execution
14