{"id":"CVE-2023-1667","details":"A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.","modified":"2026-05-15T11:53:39.615398053Z","published":"2023-05-26T00:00:00Z","related":["ALSA-2023:3839","ALSA-2023:6643","SUSE-SU-2024:0140-1","SUSE-SU-2024:0525-1","SUSE-SU-2024:0539-1","openSUSE-SU-2024:12914-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1667.json","cwe_ids":["CWE-476"],"cna_assigner":"redhat","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"last_affected":"libssh-2"}]}]},"references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2023-1667"},{"type":"ADVISORY","url":"http://www.libssh.org/security/advisories/CVE-2023-1667.txt"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1667.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1667"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202312-05"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2182199"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html"}],"schema_version":"1.7.5"}