{"id":"AZL-90927","summary":"CVE-2026-55200 affecting package libssh2 for versions less than 1.11.1-3","details":"libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.","modified":"2026-09-06T05:31:44Z","published":"2026-06-17T20:17:28Z","upstream":["CVE-2026-55200"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55200"}],"affected":[{"package":{"name":"libssh2","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libssh2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.1-3"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90927.json"}}],"schema_version":"1.9.0"}