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CVE-2026-53550 js-yaml: Quadratic-complexity DoS in merge key handling via repeated aliases

🗓️ 22 Jun 2026 14:59:14Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

CVE-2026-53550: js-yaml DoS from repeated merge-key aliases, fixed in version 4.2.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53550
22 Jun 202614:59
attackerkb
Chainguard
CVE-2026-53550 vulnerabilities
16 Jun 202620:22
cgr
Circl
CVE-2026-53550
31 May 202623:39
circl
CVE
CVE-2026-53550
22 Jun 202614:59
cve
EUVD
EUVD-2026-38256
22 Jun 202614:59
euvd
Github Security Blog
JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases
15 Jun 202617:15
github
NVD
CVE-2026-53550
22 Jun 202616:16
nvd
OSV
CGA-HXP5-835R-FJV4
16 Jun 202615:05
osv
OSV
GHSA-H67P-54HQ-RP68 JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases
15 Jun 202617:15
osv
OSV
MINI-272R-8H37-WJJ7
16 Jun 202617:42
osv
Rows per page
[
  {
    "vendor": "nodeca",
    "product": "js-yaml",
    "versions": [
      {
        "version": "< 4.2.0",
        "status": "affected"
      }
    ]
  }
]

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