CVE-2026-2921
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GStreamer | GStreamer | 1c6e163aa33962f5ee4a87d29319ccdd5cb67612 | affected |
Weaknesses
- CWE-190: CWE-190: Integer Overflow or Wraparound
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
CVE Program Container
Additional References
GStreamer: GStreamer: Arbitrary code execution via RIFF palette integer overflow in AVI file handling
Additional References
- https://access.redhat.com/security/cve/CVE-2026-2921
- https://bugzilla.redhat.com/show_bug.cgi?id=2447496
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2921.json
- https://access.redhat.com/errata/RHSA-2026:7850
- https://access.redhat.com/errata/RHSA-2026:7673
- https://access.redhat.com/errata/RHSA-2026:8854
- https://access.redhat.com/errata/RHSA-2026:6259
- https://access.redhat.com/errata/RHSA-2026:19024
- https://access.redhat.com/errata/RHSA-2026:6750
- https://access.redhat.com/errata/RHSA-2026:9487
- https://access.redhat.com/errata/RHSA-2026:9446
- https://access.redhat.com/errata/RHSA-2026:9447
- https://access.redhat.com/errata/RHSA-2026:9488
- https://access.redhat.com/errata/RHSA-2026:8876
- https://access.redhat.com/errata/RHSA-2026:8874
- https://access.redhat.com/errata/RHSA-2026:8857
- https://access.redhat.com/errata/RHSA-2026:8862
- https://access.redhat.com/errata/RHSA-2026:6300
- https://access.redhat.com/errata/RHSA-2026:19180
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-168/
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/e3a99c35266fc92dd6a18ac5fde028d0cda559e6
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.