---
id: CVE-2026-46471
title: An issue was discovered in GStreamer gst-plugins-good before 1.28.2
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
  memor…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'
cvssSource: adp
cwe:
  - CWE-125
vendor: Red Hat
product: Red Hat Enterprise Linux 10
affected:
  - enterprise_linux 10
  - enterprise_linux 7
  - enterprise_linux 8
  - enterprise_linux 9
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-19T15:30:04.819052Z'
exploitAvailable: true
published: '2026-10-16'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T15:30:39.782Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-46471'
references:
  - url: 'https://gstreamer.freedesktop.org/security/sa-2026-0002.html'
  - url: >-
      https://github.com/atredispartners/advisories/blob/master/2026/ATREDIS-2026-0004.md
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46471.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-46471'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2554180'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-46471'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-46471'
tags:
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.00188
epssPercentile: 0.08334
scores:
  adp: 5.5
  vendor: 4.3
ingestedAt: '2026-10-16T17:24:46.880Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-19 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46471.json)