What is CVE-2026-64832?

CVE-2026-64832 is a high-severity vulnerability in Ffmpeg, classified under Double Free. CVSS score: 8.8/10. Published 2026-07-22.

How severe is CVE-2026-64832?

High severity. CVSS v3 base score is 8.8 out of 10.

Double Free in Ffmpeg

CVE-2026-64832

FFmpeg versions 4.4 through 8.1.2 contain a double-free vulnerability in the NVIDIA NVDEC hardware decoder within libavcodec/nvdec.c that allows attackers to trigger memory corruption by supplying a crafted video file. When no decoder surf…

Vulnerability class: Double Free

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Ffmpeg — versions 4.4, 4c6217477fc64305055b37d9d1d0d76d30e37f97

Weakness classification (CWE)

CWE-415 — Double Free

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-64832?: CVE-2026-64832 is a high-severity vulnerability in Ffmpeg, classified under Double Free. CVSS score: 8.8/10. Published 2026-07-22.
How severe is CVE-2026-64832?: High severity. CVSS v3 base score is 8.8 out of 10.