CVE-2026-52295

FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-based access in libavformat/iamf_writer.c.

CVSS v3 2.9 LOW

2.9^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.4 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988	Issue Tracking Patch
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/8439e0203744a30d280668fcd086f74ed5001da1	Patch
https://github.com/Kenan-Kamel/VulnerabilitiesReference/tree/main/FFmpeg/ExtradataPadding	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

14 Oct 2026, 15:32

Type	Values Removed	Values Added
References	~~() https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988 -~~	() https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988 - Issue Tracking, Patch
References	~~() https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/8439e0203744a30d280668fcd086f74ed5001da1 -~~	() https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/8439e0203744a30d280668fcd086f74ed5001da1 - Patch
References	~~() https://github.com/Kenan-Kamel/VulnerabilitiesReference/tree/main/FFmpeg/ExtradataPadding -~~	() https://github.com/Kenan-Kamel/VulnerabilitiesReference/tree/main/FFmpeg/ExtradataPadding - Third Party Advisory
First Time		Ffmpeg Ffmpeg ffmpeg
CPE		cpe:2.3:a:ffmpeg:ffmpeg::::::::

Information

Published : 2026-09-01 18:17

Updated : 2026-10-14 15:32

NVD link : CVE-2026-52295

Mitre link : CVE-2026-52295

CVE.ORG link : CVE-2026-52295

JSON object : View

Products Affected

ffmpeg

ffmpeg

CWE

CWE-125

Out-of-bounds Read

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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