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VULNERABILITIES

CVE-2026-75142 Details

Description

FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer (libavformat/mpegenc.c). When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive number of streams triggers the overflow during MPEG-PS muxing.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/9d786e4b5e9b8482651928574de33772aeee7be1 [email protected]
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24087 [email protected]
https://www.vulncheck.com/advisories/ffmpeg-stack-buffer-overflow-in-mpeg-ps-muxer-via-mpegenc-c [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-121Stack-based Buffer Overflow[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-75142
NVD Published Date:
Aug 19, 2026
NVD Last Modified:
Sep 9, 2026
Source:
[email protected]
CVE-2026-75142 Details - Not Deferred