What is CVE-2022-26967?

CVE-2022-26967 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-03-12.

How severe is CVE-2022-26967?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Gpac

CVE-2022-26967

GPAC 2.0 allows a heap-based buffer overflow in gf_base64_encode. It can be triggered via MP4Box.

Vulnerability class: Buffer Overflow

Published 2022-03-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.3th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Gpac — versions 2.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/gpac/gpac/issues/2138 (Exploit, Patch, Third Party Advisory)
www.debian.org/security/2023/dsa-5411 (vendor-advisory)

Frequently asked questions

What is CVE-2022-26967?: CVE-2022-26967 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-03-12.
How severe is CVE-2022-26967?: High severity. CVSS v3 base score is 7.8 out of 10.