VDB-419834 · Submit #1003897 · CVE-2026-110679

OpenSIPS up to 3.6.8/4.0.1 rtpproxy rtpproxy_offer/rtpproxy_answer out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	2.43-

Summaryinfo

A vulnerability, which was classified as critical, was found in OpenSIPS up to 3.6.8/4.0.1. This affects the function rtpproxy_offer/rtpproxy_answer of the component rtpproxy. Such manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2026-110679. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenSIPS up to 3.6.8/4.0.1. Affected by this issue is the function rtpproxy_offer/rtpproxy_answer of the component rtpproxy. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared by Nikola Kojic with RAS-IT as GHSA-qv9x-v8jq-434w. The advisory is available at github.com. This vulnerability is handled as CVE-2026-110679. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 3.6.9 or 4.0.2 eliminates this vulnerability. The upgrade is hosted for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

OpenSIPS

Version

Website

Product: https://github.com/OpenSIPS/opensips/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenSIPS 3.6.9/4.0.2

Timelineinfo

10/14/2026 Advisory disclosed
10/14/2026 +0 days VulDB entry created
10/14/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-qv9x-v8jq-434w
Researcher: Nikola Kojic
Organization: RAS-IT
Status: Confirmed

CVE: CVE-2026-110679 (🔒)
GCVE (CVE): GCVE-0-2026-110679
GCVE (VulDB): GCVE-100-419834

Entryinfo

Created: 10/14/2026 15:30
Updated: 10/14/2026 15:49
Changes: 10/14/2026 15:30 (55), 10/14/2026 15:49 (3)
Complete: 🔍
Submitter: nikolak
Committer: nikolak
Cache ID: 216::103

Submitinfo

Accepted

Submit #1003897: OpenSIPS >= 4.0.0, < 4.0.2 and >= 3.6.0, < 3.6.9 rtpproxy: Unauthenticated out-of-bounds read SIP Call-ID din dtm (by nikolak)