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CVE-2026-70632 FFmpeg 4.4 < 9.0 Heap Out-of-Bounds Write in CFHD Decoder via AVI Demuxing

🗓️ 06 Aug 2026 21:26:17Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 54 Views

FFmpeg CFHD decoder allows heap out-of-bounds write via crafted AVI, enabling code execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-70632
6 Aug 202621:26
attackerkb
alpinelinux
AlpineLinux
CVE-2026-70632
6 Aug 202621:26
alpinelinux
cve
CVE
CVE-2026-70632
6 Aug 202621:26
cve
debiancve
Debian CVE
CVE-2026-70632
6 Aug 202621:26
debiancve
euvd
EUVD
EUVD-2026-54166
7 Aug 202600:31
euvd
nessus
Tenable Nessus
FFmpeg 4.4 < 9.0 Out-of-Bounds Heap Write (CVE-2026-70632)
13 Aug 202600:00
nessus
nessus
Tenable Nessus
Ubuntu 26.04 LTS : FFmpeg vulnerabilities (USN-8738-1)
10 Sep 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-70632
7 Aug 202600:00
nessus
mageia
Mageia
Updated ffmpeg package fixes security vulnerabilities
13 Sep 202605:39
mageia
nvd
NVD
CVE-2026-70632
6 Aug 202622:18
nvd
Rows per page
[
  {
    "vendor": "FFmpeg",
    "product": "FFmpeg",
    "repo": "https://code.ffmpeg.org/FFmpeg/FFmpeg",
    "versions": [
      {
        "status": "affected",
        "version": "4.4",
        "lessThan": "9.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected",
    "packageURL": "pkg:github/FFmpeg/FFmpeg"
  }
]

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14 Aug 2026 16:51Current
CVSS 3.17.8
CVSS 48.5
EPSS0.00202
54