{"id":"CLSA-2026-1785837599","summary":"Fix CVE(s): CVE-2026-59847","details":"   * SECURITY UPDATE: authentication tag verification bypass in the AES-GCM\n     ciphers, allowing forged or tampered packets to be accepted as\n     authentic\n     - debian/patches/CVE-2026-59847.patch: treat an EVP_DecryptFinal()\n       return value of 0 as an authentication failure (reject\n       rc != 1 || outlen != 0) in evp_cipher_aead_decrypt(), and apply the\n       symmetric fix to evp_cipher_aead_encrypt() so an EVP_EncryptFinal()\n       return value of 0 is no longer treated as success (reject rc != 1),\n       both in src/libcrypto.c\n     - CVE-2026-59847","modified":"2026-10-26T09:31:40.143270385Z","published":"2026-08-04T10:23:32Z","upstream":["CVE-2026-59847"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1785837599.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59847"}],"affected":[{"package":{"name":"libssh-4","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-4?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785837599.json"}},{"package":{"name":"libssh-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785837599.json"}},{"package":{"name":"libssh-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785837599.json"}},{"package":{"name":"libssh-gcrypt-4","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-4?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785837599.json"}},{"package":{"name":"libssh-gcrypt-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libssh-gcrypt-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3-2ubuntu2.5+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785837599.json"}}],"schema_version":"1.9.0"}