CVE-2026-110679: Out-of-Bounds Read in OpenSIPS
Description
CVE-2026-110679 is an out-of-bounds read vulnerability in OpenSIPS affecting versions 3.6.0 through 3.6.8 and 4.0.0 through 4.0.1. The flaw exists in the rtpproxy_offer and rtpproxy_answer functions of the rtpproxy component and can be triggered remotely. Upgrading to OpenSIPS versions 3.6.9 or 4.0.2 resolves the issue.
CVSS v4.0
Score 6.9medium
Affected software
OpenSIPS
pkg:github/opensips/opensipscpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in OpenSIPS up to versions 3.6.8 and 4.0.1 involves an out-of-bounds read in the rtpproxy_offer and rtpproxy_answer functions within the rtpproxy component. The flaw allows remote attackers to cause memory to be read outside the intended bounds, which may lead to information disclosure or instability. The issue is fixed in versions 3.6.9 and 4.0.2.
Potential Impact
The vulnerability allows remote attackers to cause out-of-bounds memory reads, which can potentially lead to information disclosure or application instability. The CVSS 4.0 score of 6.9 indicates a medium severity impact with low complexity and no privileges or user interaction required.
Mitigation Recommendations
Upgrading OpenSIPS to versions 3.6.9 or 4.0.2 fully resolves this vulnerability. Users should apply these official fixes to mitigate the risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-14T13:25:17.537Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acfeac92cdf04f656afb448
Added to database: 10/14/2026, 20:49:13 UTC
Last enriched: 10/14/2026, 21:03:38 UTC
Last updated: 10/15/2026, 02:48:08 UTC
Views: 7
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