{"id":"CVE-2026-59850","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-59850","summary":"A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading…","details":"A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions.","published":"2026-07-21T15:16:37.773","modified":"2026-08-17T22:17:15.770","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"REPORT","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-2026-59850"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498183"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T22:17:15.770"}}