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libssh2: integer overflow via large username or password arguments

🗓️ 08 Apr 2026 10:22:24Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

An attacker can trigger integer and heap overflow in libssh2 password authentication with user or pass lengths.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libssh21.11.1-5.1.hum1libssh2-1.11.1-5.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libssh21.11.1-5.1.hum1libssh2-1.11.1-5.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchlibssh2-docs1.11.1-5.1.hum1libssh2-docs-1.11.1-5.1.hum1.noarch.rpm

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20 Jul 2026 14:09Current
7.3High risk
Vulners AI Score7.3
CVSS 46.9
CVSS 3.19.1
CVSS 27.5
CVSS 37.3
EPSS0.00466
SSVC
2