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CVE-2026-59922

🗓️ 08 Jul 2026 16:12:00Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Mistune formatting plugin suffers quadratic parsing on long marker runs, causing denial of service; fixed in 3.3.0.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-59922
8 Jul 202616:12
attackerkb
Circl
CVE-2026-59922
8 Jul 202619:36
circl
Cvelist
CVE-2026-59922 Mistune plugins/formatting: quadratic-time parsing on long runs of `~~x~~`, `==x==`, and `^^x^^` markers (strikethrough / mark / insert)
8 Jul 202616:12
cvelist
EUVD
EUVD-2026-42329
8 Jul 202616:12
euvd
NVD
CVE-2026-59922
8 Jul 202617:17
nvd
Positive Technologies
PT-2026-56508
8 Jul 202600:00
ptsecurity
Vulners
Node
lepturemistuneRange<3.3.0
[
  {
    "vendor": "lepture",
    "product": "mistune",
    "versions": [
      {
        "version": "< 3.3.0",
        "status": "affected"
      }
    ]
  }
]

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08 Jul 2026 17:17Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
3