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go-yaml: Improve heuristics preventing CPU/memory abuse by parsing malicious or large YAML documents

🗓️ 14 Nov 2023 15:32:31Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Improve go-yaml heuristics to prevent CPU and memory abuse from large or malicious YAML.

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Tenable Nessus		AlmaLinux 8 : container-tools:4.0 (ALSA-2023:6938)
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Tenable Nessus		Azure Linux 3.0 Security Update: etcd / packer (CVE-2022-3064)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64aardvark-dns2:1.0.1-38.module+el8.9.0+19098+6e7a5e3faardvark-dns-2:1.0.1-38.module+el8.9.0+19098+6e7a5e3f.aarch64.rpm
Red Hat Enterprise Linux8ppc64leaardvark-dns2:1.0.1-38.module+el8.9.0+19098+6e7a5e3faardvark-dns-2:1.0.1-38.module+el8.9.0+19098+6e7a5e3f.ppc64le.rpm
Red Hat Enterprise Linux8s390xaardvark-dns2:1.0.1-38.module+el8.9.0+19098+6e7a5e3faardvark-dns-2:1.0.1-38.module+el8.9.0+19098+6e7a5e3f.s390x.rpm
Red Hat Enterprise Linux8x86_64aardvark-dns2:1.0.1-38.module+el8.9.0+19098+6e7a5e3faardvark-dns-2:1.0.1-38.module+el8.9.0+19098+6e7a5e3f.x86_64.rpm
Red Hat Enterprise Linux8aarch64buildah1:1.24.6-7.module+el8.9.0+19784+443be299buildah-1:1.24.6-7.module+el8.9.0+19784+443be299.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebuildah1:1.24.6-7.module+el8.9.0+19784+443be299buildah-1:1.24.6-7.module+el8.9.0+19784+443be299.ppc64le.rpm
Red Hat Enterprise Linux8s390xbuildah1:1.24.6-7.module+el8.9.0+19784+443be299buildah-1:1.24.6-7.module+el8.9.0+19784+443be299.s390x.rpm
Red Hat Enterprise Linux8x86_64buildah1:1.24.6-7.module+el8.9.0+19784+443be299buildah-1:1.24.6-7.module+el8.9.0+19784+443be299.x86_64.rpm
Red Hat Enterprise Linux8aarch64buildah-debuginfo1:1.24.6-7.module+el8.9.0+19784+443be299buildah-debuginfo-1:1.24.6-7.module+el8.9.0+19784+443be299.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebuildah-debuginfo1:1.24.6-7.module+el8.9.0+19784+443be299buildah-debuginfo-1:1.24.6-7.module+el8.9.0+19784+443be299.ppc64le.rpm
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02 Jun 2026 22:52Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.5
EPSS0.02229
SSVC
CWE-400
yaml parsersecurity flawresource abusememory usagecpu usagemalicious inputlarge documents
2