Heap-based Buffer Overflow Vulnerability in GStreamer by Freedesktop.org
CVE-2026-111183

9.8CRITICAL

Key Information:

Vendor

Gstreamer

Status
Gstreamer
Vendor
CVE Published:
21 October 2026

What is CVE-2026-111183?

The vulnerability in GStreamer arises from inadequate validation of user-supplied data lengths during the processing of RTP payload elements. This oversight can lead to a heap-based buffer overflow, enabling remote attackers to execute arbitrary code within the context of the affected process. Successful exploitation of this flaw requires interaction with the GStreamer library, with potential attack vectors varying based on specific implementations. For further details, refer to the related advisories provided by ZDI and the vendor.

Affected Version(s)

GStreamer 5903987091bb25e4f549331032cd2e3494cf8dae

References

https://www.zerodayinitiative.com/advisories/ZDI-26-775/
x_research-advisory
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/comm...
vendor-advisory

CVSS V3.0

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.