CVE-2026-110679

High

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.

SeverityHigh

CVSS7.3

Exploit probability—

ProductOpensips

PublishedOct 14, 2026

First seenOct 14, 2026

Weakness typeCWE-125Out-of-bounds read CWE-119Memory buffer bounds error

How to fix

Patches

github.com/OpenSIPS/opensips/releases/tag/4.0.2

Affected products

Product	Affected versions	Fixed in
opensips opensips	3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.4, 3.6.5, 3.6.6, 3.6.7, 3.6.8, 4.0.0, 4.0.1	—

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