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

🗓️ 11 Jul 2026 04:58:36Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 41 Views

A crafted YAML document reuses merge aliases to cause CPU exhaustion and Denial of Service in js-yaml.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64nodejs2424.18.0-0.3.hum1nodejs24-24.18.0-0.3.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64nodejs2424.18.0-0.3.hum1nodejs24-24.18.0-0.3.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchnodejs24-bin24.18.0-0.3.hum1nodejs24-bin-24.18.0-0.3.hum1.noarch.rpm

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10 Sep 2026 23:39Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.3
EPSS0.00386
SSVC
CWE-1333
yaml merge aliasescpu exhaustiondenial of serviceyaml parsersecurity flaw
41