{"id":"AZL-65097","summary":"CVE-2025-49812 affecting package httpd for versions less than 2.4.64-1","details":"In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade.\n\nOnly configurations using \"SSLEngine optional\" to enable TLS upgrades are affected. Users are recommended to upgrade to version 2.4.64, which removes support for TLS upgrade.","modified":"2026-04-01T05:20:28.439860Z","published":"2025-07-10T17:15:48Z","upstream":["CVE-2025-49812"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49812"}],"affected":[{"package":{"name":"httpd","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/httpd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.64-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-65097.json"}}],"schema_version":"1.7.5"}