CVE-2026-75142 - 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. - 漏洞详情

漏洞编号：CVE-2026-75142

风险等级：高危

漏洞来源：CVE

CVE 编号：CVE-2026-75142

CNNVD 编号：-

厂商/产品：- / -

影响范围：-

CWE：CWE-121

发布/更新时间：2026-08-19 / 2026-08-27

漏洞描述

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.

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