CVE-2026-73473: GStreamer gst-plugins-good · Unthrottled Resource Allocation
Affects GStreamer gst-plugins-goodSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium : upgrade to 1.28.6 when convenient.
Data as of 6 Nov 2026, 06:49 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 5.5 |
|---|
- Patch
- Available – fixed in 1.28.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade GStreamer gst-plugins-good to 1.28.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GStreamergst-plugins-good | Affected
| Fixed in
|
AI-suggested
A fix is available in gst-plugins-good version 1.28.6. Users and administrators should upgrade to this version or later to remediate the vulnerability. No additional mitigation is required as the issue is resolved by the official patch.
Description
CVE-2026-73473 is a vulnerability in GStreamer's gst-plugins-good (avidemux) where missing validation of the subindex parser's entry count can lead to excessive memory allocation and denial of service. This flaw can be triggered by opening or previewing a crafted AVI file, as avidemux is auto-plugged by common GStreamer components. The issue is fixed in version 1.28.6.