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net/mail: golang: net/mail: Denial of Service via pathological email address parsing

🗓️ 26 Aug 2026 00:25:32Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 15 Views

Quadratic string concatenation in Go net/mail consumePhrase causes DoS via crafted email addresses.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64microshift4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.aarch64.rpm
Red Hat Enterprise Linux9x86_64microshift4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.x86_64.rpm
Red Hat Enterprise Linux9noarchmicroshift-greenboot4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-greenboot-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.noarch.rpm
Red Hat Enterprise Linux9aarch64microshift-multus4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-multus-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.aarch64.rpm
Red Hat Enterprise Linux9x86_64microshift-multus4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-multus-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.x86_64.rpm
Red Hat Enterprise Linux9noarchmicroshift-multus-release-info4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-multus-release-info-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.noarch.rpm
Red Hat Enterprise Linux9aarch64microshift-networking4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-networking-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.aarch64.rpm
Red Hat Enterprise Linux9x86_64microshift-networking4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-networking-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64microshift-olm4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-olm-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.aarch64.rpm
Red Hat Enterprise Linux9x86_64microshift-olm4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9microshift-olm-4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9.x86_64.rpm
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10 Oct 2026 04:21Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00798
SSVC
15