========================================================================== Ubuntu Security Notice USN-6885-5 July 21, 2025
apache2 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Apache HTTP Server.
Software Description:
- apache2: Apache HTTP server
Details:
USN-6885-1 fixed vulnerabilities in Apache. This update provides
the corresponding updates for Ubuntu 14.04 LTS.
Original advisory details:
Orange Tsai discovered that the Apache HTTP Server mod_rewrite module
incorrectly handled certain substitutions. A remote attacker could
possibly use this issue to execute scripts in directories not directly
reachable by any URL, or cause a denial of service. Some environments
may require using the new UnsafeAllow3F flag to handle unsafe
substitutions. (CVE-2024-38474, CVE-2024-38475)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS
apache2 2.4.7-1ubuntu4.22+esm10
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6885-5
https://ubuntu.com/security/notices/USN-6885-4
https://ubuntu.com/security/notices/USN-6885-3
https://ubuntu.com/security/notices/USN-6885-2
https://ubuntu.com/security/notices/USN-6885-1
CVE-2024-38474, CVE-2024-38475
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