ZDI-26-161: GStreamer DVB Subtitles Out-Of-Bounds Write 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-2026-2923.
AI Analysis
Technical Summary
CVE-2026-2923 is an out-of-bounds write vulnerability in the GStreamer multimedia framework's handling of DVB subtitles coordinates. The vulnerability arises from insufficient validation of user-supplied data, enabling a remote attacker to write past the end of an allocated buffer. Successful exploitation can lead to arbitrary code execution in the context of the current process. The Zero Day Initiative assigned this vulnerability a CVSS score of 7.8 and classified it as critical. GStreamer has released a patch to fix this vulnerability, as documented in their official commit.
Potential Impact
Exploitation of this vulnerability allows remote attackers to execute arbitrary code on affected systems running vulnerable versions of GStreamer. This can lead to full compromise of the process running GStreamer, potentially enabling further system compromise depending on the context of the application using the library.
Mitigation Recommendations
GStreamer has released an official update that addresses this vulnerability. Users and administrators should apply the provided patch from the GStreamer project to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
ZDI-26-161: GStreamer DVB Subtitles Out-Of-Bounds Write 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-2026-2923.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-2923 is an out-of-bounds write vulnerability in the GStreamer multimedia framework's handling of DVB subtitles coordinates. The vulnerability arises from insufficient validation of user-supplied data, enabling a remote attacker to write past the end of an allocated buffer. Successful exploitation can lead to arbitrary code execution in the context of the current process. The Zero Day Initiative assigned this vulnerability a CVSS score of 7.8 and classified it as critical. GStreamer has released a patch to fix this vulnerability, as documented in their official commit.
Potential Impact
Exploitation of this vulnerability allows remote attackers to execute arbitrary code on affected systems running vulnerable versions of GStreamer. This can lead to full compromise of the process running GStreamer, potentially enabling further system compromise depending on the context of the application using the library.
Mitigation Recommendations
GStreamer has released an official update that addresses this vulnerability. Users and administrators should apply the provided patch from the GStreamer project to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-161/","fetched":true,"fetchedAt":"2026-05-26T20:02:11.628Z","wordCount":201}
Threat ID: 6a15fc94e29bf47b5055e5ac
Added to database: 5/26/2026, 8:03:32 PM
Last enriched: 5/26/2026, 8:27:31 PM
Last updated: 5/27/2026, 5:04:06 AM
Views: 5
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