SB2025090207 - Red Hat Enterprise Linux 7 update for httpd
Published: September 2, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2025-49812)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to he way certain mod_ssl configurations handle TLS upgrades. A remote attacker can launch an HTTP desynchronisation attack, which allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade.
Note, only configurations using "SSLEngine optional" to enable TLS upgrades are affected.
Remediation
Install update from vendor's website.