CVE-2026-110679 OpenSIPS rtpproxy rtpproxy_answer out-of-bounds

Medium 6.9 Published Updated

Remote attackers can trigger an out-of-bounds read in OpenSIPS rtpproxy module, potentially causing service disruption or data exposure.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-110679?

CVE-2026-110679 is a medium-severity memory corruption vulnerability in OpenSIPS, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was determined in OpenSIPS up to 3.6.8/4.0.1. The impacted element is the function rtpproxy_offer/rtpproxy_answer of the component rtpproxy. This manipulation causes out-of-bounds read. The attack may be initiated remotely. Upgrading to version 3.6.9 and 4.0.2 is sufficient to resolve this issue. It is advisable to upgrade the affected component.

Weakness: CWE-125, CWE-119

Which versions are affected by CVE-2026-110679?

How do I fix CVE-2026-110679?

No fix has been published for CVE-2026-110679 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-110679 being exploited?

There is no known exploitation of CVE-2026-110679 in the wild and no public exploit code.

Sources

Also known as GHSA-2444-rr4q-h72r, GHSA-qv9x-v8jq-434w, UBUNTU-CVE-2026-110679.

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