CVE-2026-18297

High

Description

GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of OGG files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29584.

SeverityHigh
CVSS7.8
Exploit probability—
ProductGstreamer
PublishedAug 20, 2026
First seenAug 20, 2026
Weakness typeCWE-121CWE-121

How to fix

Update
  • gstreamer gstreamer1.28.5 or later

Affected products

ProductAffected versionsFixed in
gstreamer gstreamerv < 1.28.51.28.5

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CVE-2026-18297 · Gstreamer · Dark Radar