CVE-2026-111183

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductGStreamer
PublishedOct 21, 2026
First seenOct 21, 2026
Weakness typeCWE-122CWE-122

How to fix

Affected products

ProductAffected versionsFixed in
GStreamer GStreamer5903987091bb25e4f549331032cd2e3494cf8dae—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.