CVE-2026-2921

HIGH

GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability

Title source: cna
STIX 2.1

Description

GStreamer RIFF Palette Integer 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 handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 10.3%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-190
Status published
Products (2)
gstreamer/gstreamer < 1.28.1
GStreamer/GStreamer 1c6e163aa33962f5ee4a87d29319ccdd5cb67612
Published Mar 16, 2026
Tracked Since Mar 16, 2026