What is CVE-2026-2921?

CVE-2026-2921 is a high-severity vulnerability in Gstreamer, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-03-13.

How severe is CVE-2026-2921?

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

Integer overflow in Gstreamer

CVE-2026-2921

GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit…

Vulnerability class: Integer Overflow

EPSS: 0.000 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Gstreamer — versions 1c6e163aa33962f5ee4a87d29319ccdd5cb67612

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

ZDI-26-168 (x_research-advisory)
vendor-provided URL (vendor-advisory)

Frequently asked questions

What is CVE-2026-2921?: CVE-2026-2921 is a high-severity vulnerability in Gstreamer, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-03-13.
How severe is CVE-2026-2921?: High severity. CVSS v3 base score is 7.8 out of 10.