{"schemaVersion":3,"id":"MGASA-2026-0273","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated libssh2 packages fix security vulnerabilities\n\nThe updated packages fix security vulnerabilities:\nHeap Buffer Over-read via sftp_symlink() in sftp.c. (CVE-2025-15661)\nlibssh2 userauth.c userauth_password integer overflow. (CVE-2026-7598)\nPre-Authentication DoS via SSH_MSG_EXT_INFO Handler. (CVE-2026-55199)\nOut-of-Bounds Write via Unchecked packet_length in transport.c.\n(CVE-2026-55200)\nInteger Overflow in publickey Subsystem Attribute Allocation.\n(CVE-2026-58050)\nFree of Uninitialized Pointer in publickey List Cleanup.\n(CVE-2026-58051)","dates":{"published":"2026-07-20T19:06:32.000Z","modified":"2026-07-20T19:20:56.035Z","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":"mageia","product":"libssh2","name":"libssh2","label":"libssh2","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/libssh2","purlType":"rpm","versions":[{"text":"< 1.11.1-2.1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.11.1-2.1.mga10","eol":null,"hubHref":null},{"vendor":"mageia","product":"libssh2","name":"libssh2","label":"libssh2","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/libssh2","purlType":"rpm","versions":[{"text":"< 1.11.0-1.1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.11.0-1.1.mga9","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0273.html","label":"advisories.mageia.org/MGASA-2026-0273.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35616","label":"bugs.mageia.org/show_bug.cgi?id=35616","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NRU63FODXZBBO73NFWUI32A2A36ETDQZ/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://www.openwall.com/lists/oss-security/2026/06/23/10","label":"www.openwall.com/lists/oss-security/2026/06/23/10","hostname":"www.openwall.com","tags":["WEB"]},{"url":"https://www.openwall.com/lists/oss-security/2026/06/23/11","label":"www.openwall.com/lists/oss-security/2026/06/23/11","hostname":"www.openwall.com","tags":["WEB"]},{"url":"https://lists.debian.org/debian-security-announce/2026/msg00276.html","label":"lists.debian.org/debian-security-announce/2026/msg00276.html","hostname":"lists.debian.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZREI4LITT4U2ZXPEEVVNALFKPLXGLAFM/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/SRBHQ76PA4ZHTWY5F4ESYPYF3G2NLGWI/","label":"lists.opensuse.org/archives/…","hostname":"lists.opensuse.org","tags":["WEB"]},{"url":"https://ubuntu.com/security/notices/USN-8486-1","label":"ubuntu.com/security/notices/USN-8486-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/notices/USN-8532-1","label":"ubuntu.com/security/notices/USN-8532-1","hostname":"ubuntu.com","tags":["Advisory"]}],"lineage":{"upstream":["CVE-2025-15661","CVE-2026-55199","CVE-2026-55200","CVE-2026-58050","CVE-2026-58051","CVE-2026-7598"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-07-20T19:06:32.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-20T19:20:56.035Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T12:41:18.653Z","stale":false,"partial":false}}