7.8

CVE-2026-3086

GStreamer H.266 Codec Parser Out-Of-Bounds Write Remote Code Execution Vulnerability

GStreamer H.266 Codec Parser 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 specific flaw exists within the processing of APS units. 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. Was ZDI-CAN-28911.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gstreamer ≫ Gstreamer Version < 1.28.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.338
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
zdi-disclosures@trendmicro.com 7.8 1.8 5.9
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://www.zerodayinitiative.com/advisories/ZDI-26-170/
Third Party Advisory
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/025d59cf3459c2903f0384b6b94bc3235e177b53
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-3086
https://bugzilla.redhat.com/show_bug.cgi?id=2447493
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3086.json