CVE-2026-110679

7.3High

Published 14 Oct 2026 · NVD status: Deferred · AI triage by gemini-3.8-flash

7.3High

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Impact: Limited impact
Weakness: CWE-119, CWE-125

Impact

Remote, unauthenticated attackers can trigger an out-of-bounds read by sending crafted packets to OpenSIPS. This can lead to process crashes or unauthorized data exposure.

Root cause

An out-of-bounds read flaw exists in the rtpproxy module when handling rtpproxy_offer and rtpproxy_answer calls.

Affected systems

OpenSIPS up to 3.6.8 and up to 4.0.1

CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Fix & remediation

Upgrade to OpenSIPS 3.6.9, 4.0.2, or later. No interim workaround is documented; prioritize updating instances handling rtpproxy traffic.

shell

$ opensips -V

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD 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.

References

Source: nvd.nist.gov/vuln/detail/CVE-2026-110679