CVE-2026-38349: n/a
Description
CVE-2026-38349 is an integer overflow vulnerability in the hScale16To19_c() function within libswscale/output.c of FFmpeg. This flaw allows attackers to cause a denial of service (DoS) by supplying a specially crafted image file. The vulnerability has a high severity rating with a CVSS score of 7.5. No specific affected versions or patches have been provided yet.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An integer overflow exists in the hScale16To19_c() function of FFmpeg's libswscale/output.c component. When processing crafted image files, this overflow can lead to a denial of service condition. The vulnerability is identified as CWE-190 (Integer Overflow or Wraparound). No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation results in denial of service by crashing or otherwise disrupting the affected FFmpeg process. There is no indication of confidentiality or integrity impact. The attack vector is network-based with no privileges or user interaction required.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted or suspicious image files with vulnerable FFmpeg versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a916b37acd9273b49cabd6f
Added to database: 08/28/2026, 11:04:23 UTC
Last enriched: 09/08/2026, 09:22:28 UTC
Last updated: 10/13/2026, 18:48:19 UTC
Views: 69
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