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CVE-2026-3276 Potential DoS via quadratic complexity in unicodedata.normalize()

🗓️ 03 Jun 2026 14:29:39Reported by PSFType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

CVE-2026-3276 DoS via quadratic time in normalization with alternating combining classes.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3276
3 Jun 202614:29
attackerkb
CVE
CVE-2026-3276
3 Jun 202614:29
cve
Debian CVE
CVE-2026-3276
3 Jun 202614:29
debiancve
EUVD
EUVD-2026-34103
3 Jun 202614:29
euvd
NVD
CVE-2026-3276
3 Jun 202616:16
nvd
OSV
DEBIAN-CVE-2026-3276
3 Jun 202619:48
osv
Positive Technologies
PT-2026-45951
3 Jun 202600:00
ptsecurity
RedhatCVE
CVE-2026-3276
3 Jun 202621:23
redhatcve
Vulnrichment
CVE-2026-3276 Potential DoS via quadratic complexity in unicodedata.normalize()
3 Jun 202614:29
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "CPython",
    "repo": "https://github.com/python/cpython",
    "vendor": "Python Software Foundation",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "python"
      }
    ]
  }
]

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