Vulnerability · Published Oct 16, 2026 · Assigned by mitre
CVE-2026-46471
Medium 5.5
In plain English
A medium-severity security flaw in the gst-plugins-good1.0 package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 91.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | gst-plugins-good1.0 | no fix listed | DEBIAN-CVE-2026-46471 |
| Debian:13 | gst-plugins-good1.0 | no fix listed | DEBIAN-CVE-2026-46471 |
| Debian:14 | gst-plugins-good1.0 | 1.28.1-1 | DEBIAN-CVE-2026-46471 |
| Ubuntu:22.04:LTS | gst-plugins-good1.0 | no fix listed | UBUNTU-CVE-2026-46471 |
| Ubuntu:24.04:LTS | gst-plugins-good1.0 | no fix listed | UBUNTU-CVE-2026-46471 |
Affected products (as reported)
Weakness: CWE-126 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N