VDB
CVE-2026-18393
CVE-2026-18393
PUBLISHED
CVSS 5.4 MEDIUM
Reported by redhat · Published August 28, 2026
A flaw was found in FFmpeg. The tdsc_load_cursor() function writes beyond the bounds of a heap-allocated buffer when processing crafted TDSC cursor data. A remote attacker could exploit this by supplying a specially crafted video file, potentially leading to a denial of service or arbitrary code execution.
Risk Scores
CVSS 3.1
5.4
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | |
| Red Hat | Red Hat OpenShift AI (RHOAI) | |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | |
| Red Hat | Red Hat OpenShift AI (RHOAI) |
Timeline
- Aug 28, 2026 Coalition ESS Score
- Aug 28, 2026 CVE Published
- Aug 28, 2026 CVE Updated
- Aug 29, 2026 EPSS Score
- Sep 1, 2026 Security Advisory
- Sep 5, 2026 EPSS Score
- Sep 9, 2026 EPSS Score
- Sep 15, 2026 EPSS Score
- Sep 17, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
References
- vdb-entryx_refsource_REDHAT
- RHBZ#2520309 issue-trackingx_refsource_REDHAT