HIGH 7.5 Microsoft

CVE-2025-49812

Apache HTTP Server: mod_ssl TLS upgrade attack

Microsoft Security Update 2025-Jul: Apache HTTP Server: mod_ssl TLS upgrade attack

Affected Products

cbl2 httpd 2.4.64-1 on CBL Mariner 2.0
azl3 httpd 2.4.64-1 on Azure Linux 3.0
azl3 httpd 2.4.62-1 on Azure Linux 3.0
cbl2 httpd 2.4.62-1 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49812
https://nvd.nist.gov/vuln/detail/CVE-2025-49812

Published: 2025-07-08 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 7.5 was published on 2025-07-08 via Microsoft. Affected: cbl2 httpd 2.4.64-1 on CBL Mariner 2.0, azl3 httpd 2.4.64-1 on Azure Linux 3.0, azl3 httpd 2.4.62-1 on Azure Linux 3.0 and 1 more.

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