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CVE-2026-55781 NanaZip: Unbounded memory allocation (DoS) in NanaZip UFS parser via unvalidated fs_bsize/fs_fsize superblock fields

🗓️ 10 Jul 2026 16:50:24Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

NanaZip UFS parser can cause exhaustion from unvalidated fs_bsize and fs_fsize; fixed in 6.5.1749.0.

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Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-55781
10 Jul 202616:50
cve
EUVD
EUVD-2026-42957
10 Jul 202616:50
euvd
NVD
CVE-2026-55781
10 Jul 202617:16
nvd
Positive Technologies
PT-2026-57236
10 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-55781 NanaZip: Unbounded memory allocation (DoS) in NanaZip UFS parser via unvalidated fs_bsize/fs_fsize superblock fields
10 Jul 202616:50
vulnrichment
[
  {
    "vendor": "M2Team",
    "product": "NanaZip",
    "versions": [
      {
        "version": "< 6.5.1749.0",
        "status": "affected"
      }
    ]
  }
]

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