What is CVE-2026-41416?

CVE-2026-41416 is a high-severity vulnerability in Pjsip Pjproject, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-04-24.

How severe is CVE-2026-41416?

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

Integer overflow in Pjsip Pjproject

CVE-2026-41416

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an integer overflow in media stream buffer size calculation when processing SDP with asymmetric ptime configuration. The overflow may result in an undersized buffer allocation, which can lead to unexpected application termination or memory corruption This vulnerability is fixed in 2.17.

Vulnerability class: Integer Overflow

Published 2026-04-24 · 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 (39.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% 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
Teluu Pjsip

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/pjsip/pjproject/security/advisories/GHSA-f33g-8hjq-62xr (Patch, Vendor Advisory)
github.com/pjsip/pjproject/commit/66fe416c96e957417621b7be16e9e587d159f9bb (Patch)

Frequently asked questions

What is CVE-2026-41416?: CVE-2026-41416 is a high-severity vulnerability in Pjsip Pjproject, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-04-24.
How severe is CVE-2026-41416?: High severity. CVSS v3 base score is 7.5 out of 10.