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crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building

🗓️ 13 Aug 2026 23:45:16Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 10 Views

Go crypto/x509 and crypto/tls chain building with many intermediates causes denial of service.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8ppc64lecollectd-sensubility0.2.1-1.1.el8ostcollectd-sensubility-0.2.1-1.1.el8ost.ppc64le.rpm
Red Hat Enterprise Linux8x86_64collectd-sensubility0.2.1-1.1.el8ostcollectd-sensubility-0.2.1-1.1.el8ost.x86_64.rpm
Red Hat Enterprise Linux8ppc64lecollectd-sensubility-debuginfo0.2.1-1.1.el8ostcollectd-sensubility-debuginfo-0.2.1-1.1.el8ost.ppc64le.rpm
Red Hat Enterprise Linux8x86_64collectd-sensubility-debuginfo0.2.1-1.1.el8ostcollectd-sensubility-debuginfo-0.2.1-1.1.el8ost.x86_64.rpm
Red Hat Enterprise Linux8ppc64leetcd3.3.23-22.el8ostetcd-3.3.23-22.el8ost.ppc64le.rpm
Red Hat Enterprise Linux8x86_64etcd3.3.23-22.el8ostetcd-3.3.23-22.el8ost.x86_64.rpm
Red Hat Enterprise Linux8ppc64leetcd-debuginfo3.3.23-22.el8ostetcd-debuginfo-3.3.23-22.el8ost.ppc64le.rpm
Red Hat Enterprise Linux8x86_64etcd-debuginfo3.3.23-22.el8ostetcd-debuginfo-3.3.23-22.el8ost.x86_64.rpm
Red Hat Enterprise Linux8ppc64leetcd-debugsource3.3.23-22.el8ostetcd-debugsource-3.3.23-22.el8ost.ppc64le.rpm
Red Hat Enterprise Linux8x86_64etcd-debugsource3.3.23-22.el8ostetcd-debugsource-3.3.23-22.el8ost.x86_64.rpm

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18 Sep 2026 00:15Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
EPSS0.00615
SSVC
CWE-770
Gocrypto/x509crypto/tlsDenial of ServiceCertificate Chain
10