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libssh: libssh: denial of service via oversized SFTP read length

🗓️ 21 Jul 2026 16:32:37Reported by RedHatType 
redhat
 redhat
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A remote authenticated client can cause denial of service in libssh by oversized SSH_FXP_READ lengths exhausting memory on the SFTP server.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libssh0.12.1-4.hum1libssh-0.12.1-4.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libssh0.12.1-4.hum1libssh-0.12.1-4.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchlibssh-config0.12.1-4.hum1libssh-config-0.12.1-4.hum1.noarch.rpm

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18 Aug 2026 17:19Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.16.5
EPSS0.00526
SSVC
10