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crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate

🗓️ 09 Feb 2026 01:34:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 8 Views

Crafted certificate triggers DoS from unbounded string concatenation in error construction.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2x86_64delve1.3.2-3.module+el8.2.0+5581+896cb53edelve-1.3.2-3.module+el8.2.0+5581+896cb53e.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64delve-debuginfo1.3.2-3.module+el8.2.0+5581+896cb53edelve-debuginfo-1.3.2-3.module+el8.2.0+5581+896cb53e.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64delve-debugsource1.3.2-3.module+el8.2.0+5581+896cb53edelve-debugsource-1.3.2-3.module+el8.2.0+5581+896cb53e.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64go-toolset1.13.15-1.module+el8.2.0+7662+fa98b974go-toolset-1.13.15-1.module+el8.2.0+7662+fa98b974.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64golang1.13.15-13.module+el8.2.0+23958+12140f3agolang-1.13.15-13.module+el8.2.0+23958+12140f3a.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64golang-bin1.13.15-13.module+el8.2.0+23958+12140f3agolang-bin-1.13.15-13.module+el8.2.0+23958+12140f3a.x86_64.rpm
Red Hat Enterprise Linux8.2noarchgolang-docs1.13.15-13.module+el8.2.0+23958+12140f3agolang-docs-1.13.15-13.module+el8.2.0+23958+12140f3a.noarch.rpm
Red Hat Enterprise Linux8.2noarchgolang-misc1.13.15-13.module+el8.2.0+23958+12140f3agolang-misc-1.13.15-13.module+el8.2.0+23958+12140f3a.noarch.rpm
Red Hat Enterprise Linux8.2x86_64golang-race1.13.15-13.module+el8.2.0+23958+12140f3agolang-race-1.13.15-13.module+el8.2.0+23958+12140f3a.x86_64.rpm
Red Hat Enterprise Linux8.2noarchgolang-src1.13.15-13.module+el8.2.0+23958+12140f3agolang-src-1.13.15-13.module+el8.2.0+23958+12140f3a.noarch.rpm
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19 Jul 2026 17:12Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00459
SSVC
8