Remote Code Execution Vulnerability in GStreamer Product by GStreamer
CVE-2026-18295

7.8HIGH

Key Information:

Vendor

Gstreamer

Status
Gstreamer
Vendor
CVE Published:
20 August 2026

What is CVE-2026-18295?

A vulnerability in GStreamer allows remote attackers to execute arbitrary code via a crafted MRF file. The flaw stems from insufficient validation of user inputs during MRF file parsing, potentially leading to a buffer overflow. Exploiting this vulnerability requires user interaction, such as visiting a compromised website or opening a malicious file, which could have severe consequences for the security of affected systems.

Affected Version(s)

GStreamer 13fcb641ed33d1472e4ffdec2846180b15405053

References

https://www.zerodayinitiative.com/advisories/ZDI-26-463/
x_research-advisory
https://gstreamer.freedesktop.org/security/sa-2026-0050.html
vendor-advisory

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.