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VULNERABILITIES

CVE-2026-18296 Details

Description

GStreamer MRF File Parsing Heap-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 MRF files. 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-29608.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gstreamer.freedesktop.org/security/sa-2026-0050.html [email protected]PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-26-464/ [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-122Heap-based Buffer Overflow[email protected]

Affected Products

ProductVersions
gstreamer gstreamer
< 1.28.5

CPE

  • cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-18296
NVD Published Date:
Aug 20, 2026
NVD Last Modified:
Sep 2, 2026
Source:
[email protected]
CVE-2026-18296 Details - Not Deferred