ZDI-26-467: GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18299.
AI Analysis
Technical Summary
CVE-2026-18299 is a use-after-free vulnerability in the GStreamer media framework's rtpsbcdepay component. The vulnerability occurs due to missing validation of an object's existence prior to performing operations on it during RTP payload processing. This flaw enables remote attackers to execute arbitrary code within the context of the affected process. Exploitation requires interaction with the vulnerable library, and attack vectors may vary depending on implementation. The Zero Day Initiative assigned this vulnerability a CVSS score of 7.8 (high severity). GStreamer has issued a security update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with the privileges of the affected process, potentially leading to full compromise of the system running the vulnerable GStreamer installation.
Mitigation Recommendations
GStreamer has released an official update that addresses this vulnerability. Users and administrators should apply the security update from GStreamer as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
ZDI-26-467: GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18299.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18299 is a use-after-free vulnerability in the GStreamer media framework's rtpsbcdepay component. The vulnerability occurs due to missing validation of an object's existence prior to performing operations on it during RTP payload processing. This flaw enables remote attackers to execute arbitrary code within the context of the affected process. Exploitation requires interaction with the vulnerable library, and attack vectors may vary depending on implementation. The Zero Day Initiative assigned this vulnerability a CVSS score of 7.8 (high severity). GStreamer has issued a security update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with the privileges of the affected process, potentially leading to full compromise of the system running the vulnerable GStreamer installation.
Mitigation Recommendations
GStreamer has released an official update that addresses this vulnerability. Users and administrators should apply the security update from GStreamer as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-467/","fetched":true,"fetchedAt":"2026-07-30T15:56:30.224Z","wordCount":200}
- Classification
- {"confidence":0.95,"severitySource":"cvss-text","classifier":"rss-v2"}
Threat ID: 6a6b74c69c2644c7f84cc49e
Added to database: 07/30/2026, 15:59:02 UTC
Last enriched: 08/15/2026, 05:17:23 UTC
Last updated: 09/13/2026, 10:01:29 UTC
Views: 37
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