PT-2026-32370 · FFmpeg · Ffmpeg

Xinghang Lv · Published 2026-04-13 · Updated 2026-04-13 · CVE-2026-30999

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions FFmpeg version 8.0.1

Description A heap buffer overflow in the av bprint finalize() function allows attackers to cause a Denial of Service (DoS) via a crafted input. A heap buffer overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, potentially corrupting data or crashing the application.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-30999

Affected Products

Ffmpeg

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-30999 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-30999 · Security Note
• https://ubuntu.com/security/CVE-2026-30999 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-30999 · Vendor Advisory
• https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.c · Note
• https://twitter.com/VulmonFeeds/status/2043814080528474252 · Twitter Post
• https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.html · Note
• https://excellent-oatmeal-319.notion.site/CVE-2026-30999-Memory-Leak-e0d88ac53e2e42c1b5ef9aa3497e27b6 · Note
• https://twitter.com/CVEnew/status/2043733080901595264 · Twitter Post
• https://ffmpeg.org/download.html · Note