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libarchive: Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack()

🗓️ 26 Jun 2026 17:19:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 12 Views

Double free in libarchive RAR5 decoding from a dangling filtered_buf after init_unpack causing DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64bsdcat3.8.8-2.hum1bsdcat-3.8.8-2.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64bsdcat3.8.8-2.hum1bsdcat-3.8.8-2.hum1.x86_64.rpm

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23 Aug 2026 03:27Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.0047
SSVC
12