CVE-2026-52295

Published Sep 1, 2026 CVSS 3.1 · 2.9 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Denial of Service via Buffer Overflow in FFmpeg IAMF Writer
Type Values Removed Values Added
Weaknesses CWE-125
CPEs cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Type Values Removed Values Added
Description Buffer Overflow vulnerability in Ffmpeg v.7.0 and after allows an attacker to cause a denial of service via the libavformat/iamf_writer.c component 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.
Type Values Removed Values Added
Title Denial of Service via Buffer Overflow in FFmpeg IAMF Writer
Type Values Removed Values Added
Title Denial of Service via Buffer Overflow in FFmpeg IAMF Writer
Weaknesses CWE-119
Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Denial of Service via Buffer Overflow in FFmpeg IAMF Writer
Weaknesses CWE-119
Type Values Removed Values Added
First Time appeared Ffmpeg
Ffmpeg ffmpeg
Vendors & Products Ffmpeg
Ffmpeg ffmpeg
Type Values Removed Values Added
Description Buffer Overflow vulnerability in Ffmpeg v.7.0 and after allows an attacker to cause a denial of service via the libavformat/iamf_writer.c component
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 13, 2026, 9:58 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Analyzed
Published
Sep 1, 2026, 6:17 PM
Modified
Oct 14, 2026, 3:32 PM