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libssh: Incorrect Return Code Handling in ssh_kdf() in libssh

🗓️ 08 Jun 2026 02:12:44Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 14 Views

Libssh mishandles OpenSSL returns in ssh_kdf for OpenSSL below 3.0, risking uninitialized keys.

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4 Jul 202506:15
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Tenable Nessus		Alibaba Cloud Linux 3 : 0189: libssh (ALINUX3-SA-2025:0189)
3 Dec 202500:00
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Tenable Nessus		AlmaLinux 8 : libssh (ALSA-2025:21977)
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Tenable Nessus		Azure Linux 3.0 Security Update: libssh (CVE-2025-5372)
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.4i686libssh0.9.4-2.el8_4.2libssh-0.9.4-2.el8_4.2.i686.rpm
Red Hat Enterprise Linux8.4x86_64libssh0.9.4-2.el8_4.2libssh-0.9.4-2.el8_4.2.x86_64.rpm
Red Hat Enterprise Linux8.4noarchlibssh-config0.9.4-2.el8_4.2libssh-config-0.9.4-2.el8_4.2.noarch.rpm
Red Hat Enterprise Linux8.4i686libssh-debuginfo0.9.4-2.el8_4.2libssh-debuginfo-0.9.4-2.el8_4.2.i686.rpm
Red Hat Enterprise Linux8.4x86_64libssh-debuginfo0.9.4-2.el8_4.2libssh-debuginfo-0.9.4-2.el8_4.2.x86_64.rpm
Red Hat Enterprise Linux8.4i686libssh-debugsource0.9.4-2.el8_4.2libssh-debugsource-0.9.4-2.el8_4.2.i686.rpm
Red Hat Enterprise Linux8.4x86_64libssh-debugsource0.9.4-2.el8_4.2libssh-debugsource-0.9.4-2.el8_4.2.x86_64.rpm
Red Hat Enterprise Linux8.4i686libssh-devel0.9.4-2.el8_4.2libssh-devel-0.9.4-2.el8_4.2.i686.rpm
Red Hat Enterprise Linux8.4x86_64libssh-devel0.9.4-2.el8_4.2libssh-devel-0.9.4-2.el8_4.2.x86_64.rpm

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12 Jul 2026 05:55Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15 - 8.8
EPSS0.00407
SSVC
CWE-682
open ssl versionkey derivation failureuninitialized key bufferssecure shell flawconfidentiality integrity risk
14