CVEvulnerability
CVE-2026-2923
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-03-16
- Last modified
- 2026-07-21
- Assigner
- [email protected]
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
Description
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 specific flaw exists within the handling of coordinates. 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-28838.
Affected configurations
• gstreamer gstreamer (< 1.28.1)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/3b8253f447bcc9831dbf643d2c69b205fedbe086 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-26-161/ Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:19024 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19180 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:6259 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:6300 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:6750 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8854 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8862 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-2923 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2447503 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2923.json security.access.redhat.com