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js-yaml: js-yaml: Denial of Service via crafted YAML merge keys

🗓️ 10 Jul 2026 03:39:01Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

A denial of service in js-yaml via crafted YAML merge keys reusing the same alias, causing CPU exhaustion.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64nodejs2525.9.0-1.3.hum1nodejs25-25.9.0-1.3.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64nodejs2525.9.0-1.3.hum1nodejs25-25.9.0-1.3.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchnodejs25-bin25.9.0-1.3.hum1nodejs25-bin-25.9.0-1.3.hum1.noarch.rpm

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28 Jul 2026 22:04Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.3
EPSS0.00378
SSVC
3