EUVD-2026-23153
4.9
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Lifecycle Timeline
2
patch_available
Apr 16, 2026 - 05:29 EUVD
8.1
Analysis Generated
Apr 16, 2026 - 01:50 vuln.today
DescriptionNVD
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
AnalysisAI
Integer overflow in FFmpeg's CENC subsample data parsing (libavformat/mov.c) before version 8.1 enables out-of-bounds memory writes on local systems processing specially crafted MP4 files. The vulnerability requires attacker-controlled media file input and non-default system configuration, limiting exploitation to local contexts; no active exploitation or public exploit code has been identified. …
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).