{"id":"CVE-2026-59847","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-59847","summary":"A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify…","details":"A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.","published":"2026-07-21T14:16:34.657","modified":"2026-08-17T22:17:15.510","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:42922"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:55855"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-59847"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498180"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T22:17:15.510"}}