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CVE-2026-86429 commonmark before 2.9.1 Denial of Service via SmartPunct and Attributes

🗓️ 07 Sep 2026 12:53:49Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

Quadratic parsing complexity in league/commonmark SmartPunct and Attributes extensions causing DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-86429
7 Sep 202614:04
–circl
cve
CVE
CVE-2026-86429
7 Sep 202612:53
–cve
debiancve
Debian CVE
CVE-2026-86429
7 Sep 202612:53
–debiancve
euvd
EUVD
EUVD-2026-72387
7 Sep 202612:53
–euvd
mend
Mend
CVE-2026-86429
7 Sep 202612:53
–mend
nvd
NVD
CVE-2026-86429
7 Sep 202613:20
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-86429
7 Sep 202613:20
–osv_debian
osv_ghsa
osv_ghsa
GHSA-JJV6-8J6V-6J52 league/commonmark: Denial of service in the SmartPunct and Attributes extensions
1 Sep 202620:21
–osv_ghsa
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-86429
7 Sep 202613:20
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-86795
1 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "vendor": "thephpleague",
    "product": "commonmark",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "1.5.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.9.1"
      },
      {
        "version": "2.9.1",
        "status": "unaffected",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:composer/league/commonmark"
  }
]

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