MEDIUM 5.4 NVD
CVE-2026-18393
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 remo
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.
References
- https://access.redhat.com/security/cve/CVE-2026-18393
- https://bugzilla.redhat.com/show_bug.cgi?id=2520309
- https://github.com/FFmpeg/FFmpeg/commit/242ff799c75f20bade946314c8d741d0887ee11c
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/177767065817.63.1948165304485903849@2996
This medium severity vulnerability with a CVSS score of 5.4 was published on 2026-08-28 via NVD.
vulnfeed aggregates 11493 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.