CVE-2026-30999

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://excellent-oatmeal-319.notion.site/CVE-2026-30999-Memory-Leak-e0d88ac53e2e42c1b5ef9aa3497e27b6 Exploit Third Party Advisory
https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.html Product
https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.c Product
https://www.ffmpeg.org/download.html Product
Configurations

Configuration 1 (hide)

cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
History

23 Apr 2026, 20:10

Type Values Removed Values Added
First Time Ffmpeg
Ffmpeg ffmpeg
CPE cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
References () https://excellent-oatmeal-319.notion.site/CVE-2026-30999-Memory-Leak-e0d88ac53e2e42c1b5ef9aa3497e27b6 - () https://excellent-oatmeal-319.notion.site/CVE-2026-30999-Memory-Leak-e0d88ac53e2e42c1b5ef9aa3497e27b6 - Exploit, Third Party Advisory
References () https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.html - () https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.html - Product
References () https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.c - () https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.c - Product
References () https://www.ffmpeg.org/download.html - () https://www.ffmpeg.org/download.html - Product

13 Apr 2026, 20:16

Type Values Removed Values Added
CWE CWE-122
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

13 Apr 2026, 15:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-04-13 15:17

Updated : 2026-04-23 20:10

NVD link : CVE-2026-30999

Mitre link : CVE-2026-30999

CVE.ORG link : CVE-2026-30999

JSON object : View

Products Affected

ffmpeg

  • ffmpeg
CWE
CWE-122

Heap-based Buffer Overflow