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No exploitation reportedFix availableAwaiting NVD analysis

CVE-2026-125707

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

No exploitation reported by the sources we read.

  • Published2026-11-10
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-11-1011:23CVE publishedCNA

Versions per branch

Products declared by the CNA6 products

As redhat, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-10

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • gst-plugins-bad1.0Echoall versions · no fixed version listed
  • gst-plugins-bad1.0Debian:14all versions · fixed in 1.28.3-1
  • gst-plugins-bad1.0Debian:13all versions · no fixed version listed
  • gst-plugins-bad1.0Debian:12all versions · no fixed version listed

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Published
2026-11-10
Last Modified
2026-11-12
NVD status
Awaiting Analysis
GitHub Advisory
GHSA-7c4w-j99p-3crc

Frequently asked questions

What is CVE-2026-125707?

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.

Is CVE-2026-125707 actively exploited?

Active exploitation of CVE-2026-125707 has not been confirmed. Its EPSS score was 0.2% on 2026-11-11, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-125707?

CVE-2026-125707 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.

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