What is CVE-2026-29068?

CVE-2026-29068 is a high-severity vulnerability in Pjsip Pjproject, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-03-06.

How severe is CVE-2026-29068?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Pjsip Pjproject

CVE-2026-29068

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.

Vulnerability class: Buffer Overflow

Published 2026-03-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Pjsip Pjproject — versions < 2.17
Pjsip

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

github.com/pjsip/pjproject/security/advisories/GHSA-pqww-jrxr-457f (Patch, Vendor Advisory)
github.com/pjsip/pjproject/commit/6c9024511bf5307ff72efde1f90c9a2a226d8967 (Patch)

Frequently asked questions

What is CVE-2026-29068?: CVE-2026-29068 is a high-severity vulnerability in Pjsip Pjproject, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-03-06.
How severe is CVE-2026-29068?: High severity. CVSS v3 base score is 7.5 out of 10.