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CVE-2026-66038 FFmpeg LCL/ZLIB Video Decoder Information Disclosure via lcldec.c

🗓️ 24 Jul 2026 19:39:27Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

FFmpeg LCL/ZLIB decoder leaks uninitialized memory via short zlib decompression in lcldec.c, exposing AVFrame data.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-66038
24 Jul 202619:39
attackerkb
CVE
CVE-2026-66038
24 Jul 202619:39
cve
Debian CVE
CVE-2026-66038
24 Jul 202619:39
debiancve
EUVD
EUVD-2026-48740
24 Jul 202619:39
euvd
NVD
CVE-2026-66038
24 Jul 202620:18
nvd
OSV
DEBIAN-CVE-2026-66038
24 Jul 202620:18
osv
OSV
ECHO-9DB0-DFD3-A7BB
25 Jul 202620:56
osv
Positive Technologies
PT-2026-64414
24 Jul 202600:00
ptsecurity
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-66038
25 Jul 202600:00
nessus
Vulnrichment
CVE-2026-66038 FFmpeg LCL/ZLIB Video Decoder Information Disclosure via lcldec.c
24 Jul 202619:39
vulnrichment
Rows per page
[
  {
    "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": "86708357d126af84c16f80d9c57335d1e8c845c5",
        "versionType": "git"
      }
    ]
  }
]

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