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CVE-2026-66039

🗓️ 24 Jul 2026 19:42:42Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 97 Views

CVE-2026-66039: FFmpeg MACE6 decoder in CAF files overflow causes heap write and possible code execution.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-66039
24 Jul 202619:42
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-66039
24 Jul 202619:42
–alpinelinux
cgr
Chainguard
CVE-2026-66039 vulnerabilities
21 Sep 202608:54
–cgr
circl
Circl
CVE-2026-66039
24 Jul 202622:01
–circl
cvelist
Cvelist
CVE-2026-66039 FFmpeg MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF File
24 Jul 202619:42
–cvelist
debiancve
Debian CVE
CVE-2026-66039
24 Jul 202619:42
–debiancve
euvd
EUVD
EUVD-2026-48741
24 Jul 202619:42
–euvd
mageia
Mageia
Updated ffmpeg package fixes security vulnerabilities
13 Sep 202605:39
–mageia
nvd
NVD
CVE-2026-66039
24 Jul 202620:18
–nvd
nessus
Tenable Nessus
openSUSE 16: ffmpeg-4 / ffmpeg-4-libavcodec-devel / ffmpeg-4-libavdevice-devel / etc (openSUSE-SU-2026:21522-1)
5 Aug 202600:00
–nessus
Rows per page
NVD
Vulners
CNA
Node
ffmpegffmpegRange≤8.1.2
[
  {
    "defaultStatus": "affected",
    "vendor": "FFmpeg",
    "product": "FFmpeg",
    "repo": "https://code.ffmpeg.org/FFmpeg/FFmpeg",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "8.1.2"
      },
      {
        "status": "unaffected",
        "version": "aafb5c655edc76a753275c383ebb139feb032718",
        "versionType": "git"
      }
    ]
  }
]

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07 Aug 2026 00:46Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.8 - 8.8
CVSS 48.7
EPSS0.0044
SSVC
97