Astra Linux - уязвимость в apache2

In some modssl configurations of the Apache HTTP Server, from versions up to 2.4.63, an HTTP desynchronization attack allows a man-in-the-middle attacker to hijack an HTTP session through a TLS upgrade. Only configurations that use “SSLEngine optional” to enable TLS upgrades are affected. Users a...

CLSA-2025-1758035415 httpd: Fix of 2 CVEs

CVE-2024-47252: escape characters are now properly handled in modssl to prevent untrusted SSL/TLS clients from inserting escape characters into log files - CVE-2025-49812: remove support for TLS upgrade to mitigate HTTP desynchronisation attack...

CLSA-2025-1758035329 httpd: Fix of 2 CVEs

CVE-2024-47252: escape user-supplied data in modssl to prevent untrusted SSL/TLS clients from inserting escape characters into log files - CVE-2025-49812: remove support for TLS upgrade to prevent HTTP desynchronisation attack...

HTTP Desynchronisation Attack

Apache HTTP Server modssl is vulnerable to an HTTP desynchronisation Attack. The vulnerability is due to the use of SSLEngine optional for enabling TLS upgrades, which allows a man-in-the-middle attacker to exploit request desynchronisation and hijack an active HTTP session during the TLS upgrade...

CVE-2025-49812

In some modssl 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. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected. Users are recommend...