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coreutils: GNU coreutils uniq: Denial of Service and information disclosure via out-of-bounds read with multibyte input

🗓️ 27 Jul 2026 11:04:59Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 11 Views

coreutils uniq flaw enables out-of-bounds read on multibyte input with --check-chars causing denial.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64coreutils9.11-5.1.hum1coreutils-9.11-5.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64coreutils9.11-5.1.hum1coreutils-9.11-5.1.hum1.x86_64.rpm

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24 Aug 2026 22:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 44.6
EPSS0.00131
SSVC
11