Description
A heap overflow in the ff_sws_alphablendaway function (libswscale/alphablend.c) of FFmpeg git-master commit 722a217 allows attackers to cause a Denial of Service (DoS) via a crafted input.
Published: 2026-08-27
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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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References
History

Fri, 28 Aug 2026 06:45:00 +0000

Type Values Removed Values Added
Title Heap Overflow in FFmpeg's libswscale Causes Denial of Service
Weaknesses CWE-122

Fri, 28 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
First Time appeared Ffmpeg
Ffmpeg ffmpeg
Vendors & Products Ffmpeg
Ffmpeg ffmpeg

Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Description A heap overflow in the ff_sws_alphablendaway function (libswscale/alphablend.c) of FFmpeg git-master commit 722a217 allows attackers to cause a Denial of Service (DoS) via a crafted input.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-27T21:22:30.906Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-38347

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T00:17:27.420

Modified: 2026-08-28T00:17:27.420

Link: CVE-2026-38347

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T06:30:18Z

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow