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gnutls: gnutls: Information disclosure via timing side-channel in PKCS#7 padding removal

🗓️ 16 Jun 2026 16:53:26Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

A timing side-channel in gnutls padding check during decryption could leak padding information.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0aarch64gnutls3.8.9-9.el10_0.19gnutls-3.8.9-9.el10_0.19.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64legnutls3.8.9-9.el10_0.19gnutls-3.8.9-9.el10_0.19.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xgnutls3.8.9-9.el10_0.19gnutls-3.8.9-9.el10_0.19.s390x.rpm
Red Hat Enterprise Linux10.0x86_64gnutls3.8.9-9.el10_0.19gnutls-3.8.9-9.el10_0.19.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64gnutls-c++3.8.9-9.el10_0.19gnutls-c++-3.8.9-9.el10_0.19.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64legnutls-c++3.8.9-9.el10_0.19gnutls-c++-3.8.9-9.el10_0.19.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xgnutls-c++3.8.9-9.el10_0.19gnutls-c++-3.8.9-9.el10_0.19.s390x.rpm
Red Hat Enterprise Linux10.0x86_64gnutls-c++3.8.9-9.el10_0.19gnutls-c++-3.8.9-9.el10_0.19.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64gnutls-dane3.8.9-9.el10_0.19gnutls-dane-3.8.9-9.el10_0.19.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64legnutls-dane3.8.9-9.el10_0.19gnutls-dane-3.8.9-9.el10_0.19.ppc64le.rpm
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16 Jul 2026 11:46Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.13.7
EPSS0.00379
SSVC
5