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libssh: libssh: Denial of Service via zero-length input in ssh_get_hexa()

🗓️ 08 Apr 2026 13:23:35Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

libssh denial of service via zero-length input in ssh_get_hexa during authentication with verbose logging.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libssh0.12.0-1.1.hum1libssh-0.12.0-1.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libssh0.12.0-1.1.hum1libssh-0.12.0-1.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchlibssh-config0.12.0-1.1.hum1libssh-config-0.12.0-1.1.hum1.noarch.rpm

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19 Jul 2026 02:03Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.18.2
CVSS 36.5
EPSS0.00582
SSVC
2