CVE-2026-6385
MEDIUMFfmpeg: ffmpeg: denial of service and potential arbitrary code execution via signed integer overflow in dvd subtitle parser
Title source: cnaDescription
A flaw was found in FFmpeg. A remote attacker could exploit this vulnerability by providing a specially crafted MPEG-PS/VOB media file containing a malicious DVD subtitle stream. This vulnerability is caused by a signed integer overflow in the DVD subtitle parser's fragment reassembly bounds checks, leading to a heap out-of-bounds write. Successful exploitation can result in a denial of service (DoS) due to an application crash, and potentially lead to arbitrary code execution.
References (2)
Core 2
Core References
Vdb Entry, X_Refsource_Redhat vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-6385
Issue Tracking, X_Refsource_Redhat issue-tracking
x_refsource_redhat
RHBZ#2458764
https://bugzilla.redhat.com/show_bug.cgi?id=2458764
Scores
CVSS v3
6.5
EPSS
0.0044
EPSS Percentile
34.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-190
Status
published
Products (4)
Red Hat/Lightspeed Core
Red Hat/Red Hat AI Inference Server
Red Hat/Red Hat Enterprise Linux AI (RHEL AI) 3
Red Hat/Red Hat OpenShift AI (RHOAI)
Published
Apr 15, 2026
Tracked Since
Apr 16, 2026