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CVE-2026-105830 league/commonmark 2.0.0 before 2.10.2 Quadratic DoS via TableStartParser

🗓️ 08 Oct 2026 14:10:31Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

Unauthenticated quadratic DoS in league/commonmark TableStartParser via block-start scan.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-105830
8 Oct 202614:33
–circl
cve
CVE
CVE-2026-105830
8 Oct 202614:10
–cve
debiancve
Debian CVE
CVE-2026-105830
8 Oct 202614:10
–debiancve
euvd
EUVD
EUVD-2026-95017
8 Oct 202614:10
–euvd
mend
Mend
CVE-2026-105830
8 Oct 202614:10
–mend
nvd
NVD
CVE-2026-105830
8 Oct 202615:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-105830
8 Oct 202615:17
–osv_debian
osv_ghsa
osv_ghsa
GHSA-3Q6V-R5MR-HXV8 league/commonmark: Quadratic-time denial of service in the GitHub Flavored Markdown Table extension block-start scan
30 Sep 202615:36
–osv_ghsa
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-105830
8 Oct 202615:17
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-107989
8 Oct 202600:00
–ptsecurity
Rows per page
[
  {
    "vendor": "thephpleague",
    "product": "commonmark",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "2.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.10.2"
      },
      {
        "version": "2.10.2",
        "status": "unaffected",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:composer/league/commonmark"
  }
]

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08 Oct 2026 15:22Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00368
SSVC
48