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gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification

🗓️ 10 Apr 2026 20:19:55Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

GnuTLS DoS via excessive CPU and memory during certificate verification with many name constraints.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64gnutls3.8.12-1.1.hum1gnutls-3.8.12-1.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64gnutls3.8.12-1.1.hum1gnutls-3.8.12-1.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchmingw32-gnutls3.8.12-1.1.hum1mingw32-gnutls-3.8.12-1.1.hum1.noarch.rpm

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20 Jul 2026 17:32Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15.3
EPSS0.00638
SSVC
CWE-407
gnu tlscertificate verificationname constraintssubject alternative namesdenial of serviceresource exhaustion
2