CVE-2026-29068

PJSIP: Stack buffer overflow in Opus codec parser

State: Published
Severity: 8.7 High
Published: Mar 6, 2026
Updated: Mar 9, 2026
Reserved: Mar 3, 2026

Description

PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, there is a stack buffer overflow vulnerability when pjmedia-codec parses an RTP payload contain more frames than the caller-provided frames can hold. This issue has been patched in version 2.17.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
pjprojectpjsip	< 2.17Affected

References

https://github.com/pjsip/pjproject/security/advisories/GHSA-pqww-jrxr-457f
https://github.com/pjsip/pjproject/commit/6c9024511bf5307ff72efde1f90c9a2a226d8967

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