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CVE-2026-66039 FFmpeg MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF File

🗓️ 24 Jul 2026 19:42:42Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

FFmpeg MACE6 decoder in CAF files may overflow heap memory from oversized bytes_per_packet, risking code execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-66039
24 Jul 202619:42
attackerkb
Circl
CVE-2026-66039
24 Jul 202622:01
circl
CVE
CVE-2026-66039
24 Jul 202619:42
cve
EUVD
EUVD-2026-48741
24 Jul 202619:42
euvd
NVD
CVE-2026-66039
24 Jul 202620:18
nvd
Positive Technologies
PT-2026-64415
24 Jul 202600:00
ptsecurity
[
  {
    "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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