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Fencer Intel
medium 6.1

CVE-2026-125707 json

Gst-plugins-bad: gst-plugins-bad: off-by-one write in mxf demuxer temporal offset table

published yesterday modified yesterday also EUVD-2026-120883

cvss
6.1
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 4%
public exploits
0
none known

Summary

A flaw was found in GStreamer's MXF demuxer. When an application processes a crafted MXF file, an off-by-one bounds check can allow a one-byte write past the logical end of a temporal offset array. This may corrupt memory and cause the application to crash. The extent of the impact has not been demonstrated by a runtime test.

Patch / fix

  • gst-plugins-bad1.0 Debian 14 1.28.3-1

debian advisories DEBIAN-CVE-2026-125707

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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-2026-125707 updated cvss 6.1

gst-plugins-bad: gst-plugins-bad: off-by-one write in MXF demuxer temporal offset table

  • Red Hat Enterprise Linux 6 gstreamer-plugins-bad-free, gstreamer-plugins-bad-free-extras
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 gstreamer-plugins-bad-free, gstreamer1-plugins-bad-free, gstreamer1-plugins-bad-free-gtk Red Hat Enterprise Linux 8 gstreamer1-plugins-bad-free Red Hat Enterprise Linux 9 gstreamer1-plugins-bad-free, gstreamer1-plugins-bad-free-libs Red Hat Enterprise Linux 10 gstreamer1-plugins-bad-free
    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
none
Automatable
no
Technical impact
partial
Assessed
yesterday

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Affected products

  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9

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.