CVE-2026-114459 Mod_qos: out-of-bounds reads in response-body substring matching

Low 3.7 Published 22 Oct 2026 Updated 26 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-114459?

CVE-2026-114459 is a low-severity vulnerability in pbuchbinder mod_qos, published on 22 Oct 2026.

Official description

A flaw was found in mod_qos. When inspecting HTTP response bodies, improper boundary checking can cause the module to read memory outside allocated buffer boundaries. An unauthenticated remote attacker can exploit this vulnerability by triggering specifically crafted server responses, causing an Apache worker process to crash and resulting in a Denial of Service (DoS).

Weakness: CWE-125

Which versions are affected by CVE-2026-114459?

How do I fix CVE-2026-114459?

No fix has been published for CVE-2026-114459 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-114459 being exploited?

There is no known exploitation of CVE-2026-114459 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-114459, GHSA-j73g-g378-q257, UBUNTU-CVE-2026-114459.