CVE-2026-30999

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

High · published April 13, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
53.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00728 · 53.6th percentile
Published
2026-04-13T00:00Z
EPSS history
Timeline
  • 13 APR 00:00Z
    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
    cvelistv5