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net/mail: Excessive CPU consumption in ParseAddress in net/mail

🗓️ 10 Apr 2026 14:24:10Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

DoS in golang net mail ParseAddress from repeated string concatenation of domain literal parts causing high CPU.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64golang1.251.25.9-1.hum1golang1.25-1.25.9-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64golang1.251.25.9-1.hum1golang1.25-1.25.9-1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchgolang1.25-docs1.25.9-1.hum1golang1.25-docs-1.25.9-1.hum1.noarch.rpm

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17 Jul 2026 09:23Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00613
SSVC
CWE-770
net mailParseAddressdenial of servicegolangdomain literalcpu consumptionrepeated concatenation
2