ByteOS Network

NVD Vulnerability Details :

CVE-2026-30999

Analyzed

Source-cve@mitre.org

Published At-13 Apr, 2026 | 15:17

Updated At-23 Apr, 2026 | 20:10

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CPE Matches

FFmpeg

>>ffmpeg>>Versions up to 8.0.1(inclusive)

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

Weaknesses

CWE ID	Type	Source
CWE-122	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

CWE ID: CWE-122

Type: Secondary

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

References

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

Hyperlink: https://excellent-oatmeal-319.notion.site/CVE-2026-30999-Memory-Leak-e0d88ac53e2e42c1b5ef9aa3497e27b6

Source: cve@mitre.org

Resource:

Exploit

Third Party Advisory

Hyperlink: https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.html

Source: cve@mitre.org

Resource:

Product

Hyperlink: https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.c

Source: cve@mitre.org

Resource:

Product

Hyperlink: https://www.ffmpeg.org/download.html

Source: cve@mitre.org

Resource:

Product

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History