What is CVE-2026-73471?

CVE-2026-73471 is a medium-severity vulnerability in Gstreamer Gst-Plugins-Good, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-11-06.

How severe is CVE-2026-73471?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Out-of-bounds Read in Gstreamer Gst-Plugins-Good

CVE-2026-73471

A flaw was found in GStreamer gst-plugins-good (avidemux). In the Nikon metadata tag parser, a pointer can be dereferenced without verifying that data remains in the buffer, causing out-of-bounds reads. Because avidemux is auto-plugged by playbin, decodebin, and gst-discoverer, opening or previewing a crafted AVI is sufficient to trigger the issue. Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).

Vulnerability class: Buffer Overflow

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Gstreamer Gst-Plugins-Good

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

access.redhat.com/security/cve/CVE-2026-73471 (vdb-entry)
RHBZ#2514821 (issue-tracking)
gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12231
gstreamer.freedesktop.org/security/sa-2026-0072.html

Frequently asked questions

What is CVE-2026-73471?: CVE-2026-73471 is a medium-severity vulnerability in Gstreamer Gst-Plugins-Good, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-11-06.
How severe is CVE-2026-73471?: Medium severity. CVSS v3 base score is 6.1 out of 10.