ZDI-26-465: GStreamer OGG File Parsing Stack-based Buffer Overflow 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-2026-18297.
AI Analysis
Technical Summary
CVE-2026-18297 is a stack-based buffer overflow vulnerability in GStreamer's OGG file parser. The flaw arises from improper validation of the length of user-supplied data before copying it to a stack buffer. This can be exploited by remote attackers to execute arbitrary code within the context of the affected process. Exploitation requires user interaction. GStreamer has issued an official update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote code execution with the privileges of the user running GStreamer, potentially leading to full compromise of the affected system or application. The vulnerability has a CVSS score of 7.8, indicating high severity with impacts on confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from GStreamer. Users and administrators should apply the update provided by GStreamer as detailed in their security advisory (https://gstreamer.freedesktop.org/security/sa-2026-0053.html) to remediate this vulnerability.
ZDI-26-465: GStreamer OGG File Parsing Stack-based Buffer Overflow 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-2026-18297.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18297 is a stack-based buffer overflow vulnerability in GStreamer's OGG file parser. The flaw arises from improper validation of the length of user-supplied data before copying it to a stack buffer. This can be exploited by remote attackers to execute arbitrary code within the context of the affected process. Exploitation requires user interaction. GStreamer has issued an official update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote code execution with the privileges of the user running GStreamer, potentially leading to full compromise of the affected system or application. The vulnerability has a CVSS score of 7.8, indicating high severity with impacts on confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from GStreamer. Users and administrators should apply the update provided by GStreamer as detailed in their security advisory (https://gstreamer.freedesktop.org/security/sa-2026-0053.html) to remediate this vulnerability.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-465/","fetched":true,"fetchedAt":"2026-07-30T15:56:33.990Z","wordCount":207}
- Classification
- {"confidence":0.95,"severitySource":"cvss-text","classifier":"rss-v2"}
Threat ID: 6a6b74c69c2644c7f84cc4a4
Added to database: 07/30/2026, 15:59:02 UTC
Last enriched: 08/15/2026, 05:17:35 UTC
Last updated: 09/14/2026, 22:01:32 UTC
Views: 30
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