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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18295.
AI Analysis
Technical Summary
CVE-2026-18295 is a remote code execution vulnerability in GStreamer caused by improper validation of user-supplied data during MRF file parsing. This flaw leads to an out-of-bounds write past the end of an allocated buffer, enabling attackers to execute arbitrary code in the context of the current process. Exploitation requires user interaction. The vulnerability has a CVSS score of 7.8, indicating high severity. GStreamer has issued an update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected systems with the privileges of the GStreamer process. This can lead to full compromise of the affected application and potentially the underlying system depending on the execution context.
Mitigation Recommendations
GStreamer has released an update that corrects this vulnerability. Users should apply the official patch or update to the fixed version as provided by GStreamer. No additional mitigation steps are indicated by the vendor advisory.
ZDI-26-463: GStreamer MRF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Description
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18295 is a remote code execution vulnerability in GStreamer caused by improper validation of user-supplied data during MRF file parsing. This flaw leads to an out-of-bounds write past the end of an allocated buffer, enabling attackers to execute arbitrary code in the context of the current process. Exploitation requires user interaction. The vulnerability has a CVSS score of 7.8, indicating high severity. GStreamer has issued an update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected systems with the privileges of the GStreamer process. This can lead to full compromise of the affected application and potentially the underlying system depending on the execution context.
Mitigation Recommendations
GStreamer has released an update that corrects this vulnerability. Users should apply the official patch or update to the fixed version as provided by GStreamer. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-463/","fetched":true,"fetchedAt":"2026-07-30T15:56:37.836Z","wordCount":208}
- Classification
- {"confidence":0.95,"severitySource":"cvss-text","classifier":"rss-v2"}
Threat ID: 6a6b74c69c2644c7f84cc4aa
Added to database: 07/30/2026, 15:59:02 UTC
Last enriched: 08/15/2026, 05:17:47 UTC
Last updated: 09/14/2026, 22:01:32 UTC
Views: 49
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