Description
FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.
Published: 2026-09-13
Score: 2.9 Low
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 15 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 15 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Title ffmpeg: out-of-bounds read due to missing required padding in WMA extradata allocation paths
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Read in FFmpeg WMA Extradata Allocation

Mon, 14 Sep 2026 01:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Read in FFmpeg WMA Extradata Allocation

Sun, 13 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.
First Time appeared Ffmpeg
Ffmpeg ffmpeg
Weaknesses CWE-125
CPEs cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Vendors & Products Ffmpeg
Ffmpeg ffmpeg
References
Metrics 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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-15T17:15:08.538Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-52296

cve-icon Vulnrichment

Updated: 2026-09-15T17:15:04.584Z

cve-icon NVD

Status : Received

Published: 2026-09-13T22:17:00.297

Modified: 2026-09-15T18:17:21.900

Link: CVE-2026-52296

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-13T00:00:00Z

Links: CVE-2026-52296 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T17:45:17Z

Weaknesses