EUVD-2026-21976

| CVE-2026-30999 HIGH
2026-04-13 mitre GHSA-jj28-p98r-mwqj
Heap Overflow Buffer Overflow Denial Of Service N A
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Apr 15, 2026 - 12:30 vuln.today
CVSS Changed
Apr 13, 2026 - 20:22 NVD
7.5 (None) 7.5 (HIGH)

DescriptionNVD

A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

AnalysisAI

Heap buffer overflow in FFmpeg 8.0.1's av_bprint_finalize() function enables remote denial-of-service attacks through maliciously crafted media files. Exploitation requires no authentication (CVSS AV:N/AC:L/PR:N/UI:N), making this accessible to any network-based attacker who can deliver manipulated input to vulnerable FFmpeg instances. …

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RemediationAI

Within 24 hours: Identify all FFmpeg 8.0.1 instances in production via asset inventory and assess exposure (prioritize internet-facing services). Within 7 days: Implement input validation and file format restrictions to reject suspicious media files; isolate FFmpeg processes with resource limits (memory caps, process quotas). …

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EUVD-2026-21976 vulnerability details – vuln.today
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