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xz: XZ Utils: Denial of Service via buffer overflow in index decoding

🗓️ 11 Apr 2026 00:39:54Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

XZ Utils DoS due to empty index causing buffer overflow in index decoding after append.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64xz5.8.3-1.1.hum1xz-5.8.3-1.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64xz5.8.3-1.1.hum1xz-5.8.3-1.1.hum1.x86_64.rpm

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20 Jul 2026 11:36Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.3
CVSS 46.3
EPSS0.00351
SSVC
3