CVE-2026-111183

Publication date 21 October 2026

Last updated 10 November 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
gst-plugins-good1.0 26.10 stonking
Fixed in 1.28.7-1ubuntu0.1
26.04 LTS resolute
Vulnerable
24.04 LTS noble
Vulnerable
22.04 LTS jammy
Fixed in 1.20.3-0ubuntu1.11
20.04 LTS focal
Fixed in 1.16.3-0ubuntu1.3+esm5
18.04 LTS bionic
Fixed in 1.14.5-0ubuntu1~18.04.3+esm5
16.04 LTS xenial
Fixed in 1.8.3-1ubuntu0.5+esm5
gst-plugins-base1.0 26.10 stonking
Fixed in 1.28.7-1ubuntu0.1
26.04 LTS resolute
Fixed in 1.28.2-1ubuntu0.2
24.04 LTS noble
Fixed in 1.24.2-1ubuntu0.6
22.04 LTS jammy
Fixed in 1.20.1-1ubuntu0.8
20.04 LTS focal
Fixed in 1.16.3-0ubuntu1.4+esm4
18.04 LTS bionic
Fixed in 1.14.5-0ubuntu1~18.04.3+esm5
16.04 LTS xenial
Fixed in 1.8.3-1ubuntu0.3+esm6

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
gst-plugins-good1.0
gst-plugins-base1.0

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-9038-1
    • GStreamer Good Plugins, GStreamer Base Plugins vulnerabilities
    • 10 November 2026

Other references

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