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GHSA-mg5r-49w7-j3cv

Опубликовано: 19 авг. 2026
Источник: github
Github: Не прошло ревью
CVSS4: 8.5
CVSS3: 7.8

Описание

FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output.

FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output.

EPSS

Процентиль: 3%
0.00137
Низкий

8.5 High

CVSS4

7.8 High

CVSS3

Дефекты

CWE-122

Связанные уязвимости

CVSS3: 7.8
ubuntu
8 дней назад

(FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerabi ...)

CVSS3: 7.8
nvd
8 дней назад

FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output.

CVSS3: 7.8
debian
8 дней назад

FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerabi ...

EPSS

Процентиль: 3%
0.00137
Низкий

8.5 High

CVSS4

7.8 High

CVSS3

Дефекты

CWE-122