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CVE-2026-66041: ffmpeg from 7.0 (inclusive), through 8.1.2 (inclusive); +1 more affected products
CVE-2026-66041. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00487 (percentile 0.41021), scored 22-Oct-2026.
Affected technology
ffmpeg · from 7.0 (inclusive), through 8.1.2 (inclusive)
ffmpeg
FFmpeg · 7.0 through 8.1.2
FFmpeg
Description’s affected range: through 8.1.2, fixed in commit 4da9812,
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction
What an attacker can do
An attacker can corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Vendor/CNA’s CVSS 4.0 assessment (base score 7.7/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-787
- CCR priority
- 31.3 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.00487 · percentile 0.41086 · 2026-10-24
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-66041.html