{"id":"CLSA-2026-1786448214","summary":"libssh: Fix of 2 CVEs","details":"- CVE-2026-59847: integrity downgrade of AES-GCM ciphers in the OpenSSL\n  backend, where a wrong EVP_DecryptFinal() return-code check let a forged\n  authentication tag pass and silently reduced AES-GCM to AES-CTR\n- CVE-2026-59850: use-after-free via channel data callbacks invoked on\n  remotely-closed channels, where already-freed channel data could still be\n  handed to application callbacks","modified":"2026-10-26T09:31:51.224931057Z","published":"2026-08-11T11:37:06Z","upstream":["CVE-2026-59847","CVE-2026-59850"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1786448214.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59847"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59850"}],"affected":[{"package":{"name":"libssh","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/libssh?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.4-3.el8.tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786448214.json"}},{"package":{"name":"libssh-config","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/libssh-config?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.4-3.el8.tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786448214.json"}},{"package":{"name":"libssh-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/libssh-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.4-3.el8.tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786448214.json"}}],"schema_version":"1.9.0"}