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Fencer Intel
medium 5.5

CVE-2026-46471 json

An issue was discovered in GStreamer gst-plugins-good before 1.28.2.

published 24d ago modified 21d ago also EUVD-2026-102936

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

An issue was discovered in GStreamer gst-plugins-good before 1.28.2. While parsing an MP4 file, the isomp4 plugin's qtdemux_parse_uuid function may read past the end of a heap-allocated buffer, allowing an attacker to disclose heap memory contents.

Patch / fix

  • gst-plugins-good1.0 Debian 14 1.28.1-1

debian advisories DEBIAN-CVE-2026-46471

Is CVE-2026-46471 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-46471 updated cvss 4.3

gstreamer1-plugins-good: gstreamer1-plugins-good: information disclosure via out-of-bounds read during MP4 parsing

  • Red Hat Enterprise Linux 7 gstreamer1-plugins-good, gstreamer1-plugins-good 1.26.7-10.el10 Red Hat Enterprise Linux 8 gstreamer1-plugins-good, gstreamer1-plugins-good-gtk, gstreamer1-plugins-good 1.26.7-10.el10 Red Hat Enterprise Linux 9 gstreamer1-plugins-good, gstreamer1-plugins-good-gtk, gstreamer1-plugins-good 1.26.7-10.el10 Red Hat Enterprise Linux 10 gstreamer1-plugins-good 1.26.7-10.el10
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21d ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/atredispartners/advisories/blob/master/2026/ATREDIS-2026-0004.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.