ZDI-26-463: GStreamer MRF File Parsing Out-Of-Bounds Write 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 user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18295.
— ZDI
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch ZDI-26-463 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch CVE-2026-18295
Event History
Frequently Asked Questions
What is the severity of ZDI-26-463?
The severity of ZDI-26-463 is rated at 7.8 according to the CVSS score.
How do I fix ZDI-26-463?
To fix ZDI-26-463, install the latest security patch or update provided by GStreamer.
What impact does ZDI-26-463 have on systems?
ZDI-26-463 can allow remote attackers to execute arbitrary code on affected installations of GStreamer.
Is user interaction required for exploiting ZDI-26-463?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
What software is affected by ZDI-26-463?
The vulnerability ZDI-26-463 affects GStreamer installations.