{"id":"CVE-2025-49812","state":"PUBLISHED","title":"Apache HTTP Server: mod_ssl TLS upgrade attack","description":"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. 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