CVE-2023-46407

FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962	Patch
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/	Patch
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/	Patch
https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962	Patch
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/	Patch
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:ffmpeg:ffmpeg:6.1:*:*:*:*:*:*:*

History

11 Aug 2025, 10:30

Type	Values Removed	Values Added
CPE	cpe:2.3:a:ffmpeg:ffmpeg::::::::	cpe:2.3:a:ffmpeg:ffmpeg:6.1:::::::*

Information

Published : 2023-10-27 20:15

Updated : 2025-08-11 10:30

NVD link : CVE-2023-46407

Mitre link : CVE-2023-46407

CVE.ORG link : CVE-2023-46407

JSON object : View

Products Affected

ffmpeg

ffmpeg

CWE

CWE-125

Out-of-bounds Read

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