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mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header

🗓️ 10 Sep 2026 06:06:23Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

DoS in Golang MIME package via malformed encoded-words causing excessive CPU consumption.

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ReporterTitlePublishedViews
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cve
CVE
CVE-2026-42504
2 Jun 202622:01
cve
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0aarch64osbuild-composer134.1-12.el10_0osbuild-composer-134.1-12.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64leosbuild-composer134.1-12.el10_0osbuild-composer-134.1-12.el10_0.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xosbuild-composer134.1-12.el10_0osbuild-composer-134.1-12.el10_0.s390x.rpm
Red Hat Enterprise Linux10.0x86_64osbuild-composer134.1-12.el10_0osbuild-composer-134.1-12.el10_0.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64osbuild-composer-core134.1-12.el10_0osbuild-composer-core-134.1-12.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64leosbuild-composer-core134.1-12.el10_0osbuild-composer-core-134.1-12.el10_0.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xosbuild-composer-core134.1-12.el10_0osbuild-composer-core-134.1-12.el10_0.s390x.rpm
Red Hat Enterprise Linux10.0x86_64osbuild-composer-core134.1-12.el10_0osbuild-composer-core-134.1-12.el10_0.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64osbuild-composer-core-debuginfo134.1-12.el10_0osbuild-composer-core-debuginfo-134.1-12.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64leosbuild-composer-core-debuginfo134.1-12.el10_0osbuild-composer-core-debuginfo-134.1-12.el10_0.ppc64le.rpm
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10 Sep 2026 14:59Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.0056
SSVC
2