CVEvulnerability
CVE-2026-2921
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-190
Description
GStreamer RIFF Palette Integer 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 handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.
Affected configurations
• gstreamer gstreamer (< 1.28.1)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/e3a99c35266fc92dd6a18ac5fde028d0cda559e6 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-26-168/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2026/03/msg00018.html lists.debian.org
- 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-2026:7673 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7850 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8854 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8857 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8862 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8874 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8876 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:9446 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:9447 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:9487 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:9488 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-2921 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2447496 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2921.json security.access.redhat.com