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CVE-2026-64831: ffmpeg from 8.0 (inclusive), through 8.1.2 (inclusive); +1 more affected products
CVE-2026-64831. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA). EPSS 0.00851 (percentile 0.57862), scored 24-Oct-2026.
Affected technology
ffmpeg · from 8.0 (inclusive), through 8.1.2 (inclusive)
ffmpeg
FFmpeg · 8.0 through 8.1.2, 92737390dc133daadce47dd7d2ec8ef3d9ebcbed
FFmpeg
Description’s affected range: versions 8.0 through 8.1.2
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
Remote attackers can overwrite return addresses and adjacent stack frames by supplying a crafted HEVC/H.265 bitstream. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-121
- CCR priority
- 35.4 /100 (P4)
- CVSS 3.1
- 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00851 · percentile 0.57862 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 16:36:51.698835+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-64831.html