{"schemaVersion":3,"id":"SUSE-SU-2026:3526-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for libssh2_org\n\nThis update for libssh2_org fixes the following issues:\n\n- CVE-2025-15661: out-of-bounds heap read vulnerability in the `sftp_symlink()` function in `src/sftp.c` (bsc#1268546).\n- CVE-2026-7598: integer overflow in function `userauth_password` of file `src/userauth.c` (bsc#1263890).\n- CVE-2026-58050: heap buffer overflow due to missing bounds check in attribute count of publickey-subsystem response\n  (bsc#1269568).\n- CVE-2026-58051: uninitialized pointer freed when malformed responses are sent by an SSH server (bsc#1269567).\n- CVE-2026-66032: arbitrary code execution via double-free in SFTP session (bsc#1272737).\n- CVE-2026-66033: denial of service via integer underflow in AES-GCM cipher negotiation (bsc#1272736).\n- CVE-2026-66034: information disclosure and potential arbitrary code execution via heap out-of-bounds read\n  (bsc#1272735).\n- CVE-2026-66035: arbitrary code execution via heap buffer overflow during SSH negotiation (bsc#1272734).","dates":{"published":"2026-08-07T13:09:52.000Z","modified":"2026-08-08T09:00:06.060Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"libssh2_org&distro=SUSE Linux Enterprise High Performance Computing 15 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1.11.0-150200.9.8.1","eol":null,"hubHref":null}],"affectedCount":11,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263526-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20263526-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1263890","label":"bugzilla.suse.com/1263890","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268546","label":"bugzilla.suse.com/1268546","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269567","label":"bugzilla.suse.com/1269567","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269568","label":"bugzilla.suse.com/1269568","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1272734","label":"bugzilla.suse.com/1272734","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1272735","label":"bugzilla.suse.com/1272735","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1272736","label":"bugzilla.suse.com/1272736","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1272737","label":"bugzilla.suse.com/1272737","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2025-15661","label":"www.suse.com/security/cve/CVE-2025-15661","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-58050","label":"www.suse.com/security/cve/CVE-2026-58050","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-58051","label":"www.suse.com/security/cve/CVE-2026-58051","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-66032","label":"www.suse.com/security/cve/CVE-2026-66032","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-66033","label":"www.suse.com/security/cve/CVE-2026-66033","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-66034","label":"www.suse.com/security/cve/CVE-2026-66034","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-66035","label":"www.suse.com/security/cve/CVE-2026-66035","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-7598","label":"www.suse.com/security/cve/CVE-2026-7598","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2025-15661","CVE-2026-58050","CVE-2026-58051","CVE-2026-66032","CVE-2026-66033","CVE-2026-66034","CVE-2026-66035","CVE-2026-7598"],"downstream":[],"duplicates":[],"related":["CVE-2025-15661","CVE-2026-58050","CVE-2026-58051","CVE-2026-66032","CVE-2026-66033","CVE-2026-66034","CVE-2026-66035","CVE-2026-7598"]},"timeline":[{"kind":"published","date":"2026-08-07T13:09:52.000Z","label":"Published","detail":"Vulnerability 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