CVE-2026-38343 — MEDIUM (6.5)

Vulnerability Description

An integer overflow in the libavfilter/vf_scale.c component of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-190

References

https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21587

FAQ

What is CVE-2026-38343?

CVE-2026-38343 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An integer overflow in the libavfilter/vf_scale.c component of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.

How severe is CVE-2026-38343?

CVE-2026-38343 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-38343?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.