PT-2026-33237 · FFmpeg+2 · Ffmpeg+2

CVE-2026-40962 · Published 2026-03-02 · Updated 2026-07-09

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to 8.1

Description An integer overflow exists in the CENC (Common Encryption) subsample data processing within the libavformat/mov.c component, which can lead to an out-of-bounds write.

Recommendations Update to version 8.1 or later.

Exploit

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

BDU:2026-05549

CVE-2026-40962

JLSEC-2026-652

OESA-2026-2928

OPENSUSE-SU-2026:10767-1

OPENSUSE-SU-2026:10768-1

OPENSUSE-SU-2026:20726-1

OPENSUSE-SU-2026:21211-1

SUSE-SU-2026:2444-1

SUSE-SU-2026:2445-1

USN-8469-1

Affected Products

Ffmpeg

Linuxmint

Ubuntu

References · 52

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40962.json · Exploit
• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22348 · Patch
• https://osv.dev/vulnerability/USN-8469-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-40962 · Security Note
• https://osv.dev/vulnerability/CVE-2026-40962 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:2445-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-40962 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-12343 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10768-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:2444-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-40962 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-40962 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10767-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-40962 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-40962 · Vendor Advisory