What is CVE-2026-3084?

CVE-2026-3084 is a high-severity vulnerability in Gstreamer, classified under Integer Underflow. CVSS score: 7.8/10. Published 2026-03-13.

How severe is CVE-2026-3084?

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

Integer overflow in Gstreamer

CVE-2026-3084

GStreamer H.266 Codec Parser Integer Underflow 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 e…

EPSS: 0.001 (24.8th 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-191 — Integer Underflow

References

ZDI-26-169 (x_research-advisory)
vendor-provided URL (vendor-advisory)

Frequently asked questions

What is CVE-2026-3084?: CVE-2026-3084 is a high-severity vulnerability in Gstreamer, classified under Integer Underflow. CVSS score: 7.8/10. Published 2026-03-13.
How severe is CVE-2026-3084?: High severity. CVSS v3 base score is 7.8 out of 10.