Description
GStreamer H.266 Codec Parser Stack-based Buffer Overflow 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 parsing of decoding units. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28839.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| GStreamer | GStreamer | 1c6e163aa33962f5ee4a87d29319ccdd5cb67612 |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 6 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
References
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/2ffdfca2df95a7f605c922d3111e5d5be5314dcaVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-26-162/Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-3081
- https://bugzilla.redhat.com/show_bug.cgi?id=2447494
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3081.json
Timeline
- Published
- Mar 16, 2026
- Last modified
- Jul 15, 2026
- NVD status
- Modified