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VulnerabilityPublished Updated

CVE-2026-111183: Gst plugins good1.0 · GStreamer rtpL16depay Heap-based Buffer Overflow Remote Code Execution

Affects gst-plugins-good1.0Source GCVE Database

0
Authoritative record:CVE-2026-111183· Critical 9.8

Not known to be exploited · CVSS 9.8 Critical : patch gst-plugins-good1.0 as a priority.

Data as of 28 Oct 2026, 22:31 UTC

CVSS 3.0 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10gst-plugins-good1.0pkg:deb/ubuntu/gst-plugins-good1.0?arch=source&distro=stonkingOther threatsAffected
  • 1.28.2-2 – 1.28.7-1build1
5 affected builds
Fixed in–
Ubuntu 26.04 LTSgst-plugins-good1.0pkg:deb/ubuntu/gst-plugins-good1.0?arch=source&distro=resoluteOther threatsAffected
  • 1.26.5-1ubuntu2 – 1.28.2-2ubuntu0.4
11 affected builds
Fixed in–
Ubuntu 24.04 LTSgst-plugins-good1.0pkg:deb/ubuntu/gst-plugins-good1.0?arch=source&distro=nobleOther threatsAffected
  • 1.22.6-1ubuntu1 – 1.24.2-1ubuntu1.8
16 affected builds
Fixed in–
Ubuntu 22.04 LTSgst-plugins-good1.0pkg:deb/ubuntu/gst-plugins-good1.0?arch=source&distro=jammyOther threatsAffected
  • 1.18.5-1ubuntu2 – 1.20.3-0ubuntu1.10
14 affected builds
Fixed in–
Ubuntu Pro 20.04 LTSgst-plugins-good1.0pkg:deb/ubuntu/gst-plugins-good1.0?arch=source&distro=esm-infra/focalOther threatsAffected
  • 1.16.1-1ubuntu1 – 1.16.3-0ubuntu1.3+esm4
12 affected builds
Fixed in–
Ubuntu Pro 18.04 LTSgst-plugins-good1.0pkg:deb/ubuntu/gst-plugins-good1.0?arch=source&distro=esm-infra/bionicOther threatsAffected
  • 1.12.3-1ubuntu1 – 1.14.5-0ubuntu1~18.04.3+esm4
14 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

GStreamer rtpL16depay Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the processing of RTP payload elements. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-31143.

References

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