What is CVE-2026-40614?

CVE-2026-40614 is a high-severity vulnerability in Pjsip Pjproject, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-04-21.

How severe is CVE-2026-40614?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Pjsip Pjproject

CVE-2026-40614

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is a buffer overflow when decoding Opus audio frames due to insufficient buffer size validation in the Opus codec decode path. The FE…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Pjsip Pjproject — versions <= 2.16
Pjsip

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40614?: CVE-2026-40614 is a high-severity vulnerability in Pjsip Pjproject, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-04-21.
How severe is CVE-2026-40614?: High severity. CVSS v3 base score is 8.8 out of 10.