CVE-2026-125703

Public on 2026-11-10
Modified on 2026-11-12
Description
A flaw was found in the GStreamer gst-plugins-bad MXF plugin. Insufficient bounds checks when parsing crafted VANC data can cause an out-of-bounds read in the demuxer, while an incorrect buffer size calculation when muxing multiple ancillary packets can cause an out-of-bounds write. Processing affected content may crash the application, resulting in a denial of service.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core gstreamer-plugins-bad-free Not Affected
Amazon Linux 2 - Core gstreamer1-plugins-bad-free Pending Fix
Amazon Linux 2023 gstreamer1-plugins-bad-free Pending Fix
Amazon Linux 2027 Preview gstreamer1-plugins-bad-free Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H