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

🗓️ 11 Jun 2026 13:57:56Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 11 Views

A flaw in Go x509 HostnameError.Error allows DoS from crafted certificates via unbounded string concatenation.

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Refs
ReporterTitlePublishedViews
Family
RedhatCVE		CVE-2025-61729
11 Dec 202504:50
–redhatcve
RedHat Linux		crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate
5 Mar 202605:32
–redhat
RedHat Linux		Important: Red Hat Security Advisory: grafana-pcp security update
5 Mar 202605:42
–redhat
RedHat Linux		crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate
5 Mar 202605:42
–redhat
RedHat Linux		Important: Red Hat Security Advisory: grafana-pcp security update
5 Mar 202606:25
–redhat
RedHat Linux		crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate
5 Mar 202606:25
–redhat
RedHat Linux		Important: Red Hat Security Advisory: grafana-pcp security update
5 Mar 202606:11
–redhat
RedHat Linux		crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate
5 Mar 202606:11
–redhat
RedHat Linux		Important: Red Hat Security Advisory: grafana-pcp security update
5 Mar 202606:19
–redhat
RedHat Linux		crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate
5 Mar 202606:19
–redhat
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64buildah1:1.29.7-1.el9_2.5buildah-1:1.29.7-1.el9_2.5.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebuildah1:1.29.7-1.el9_2.5buildah-1:1.29.7-1.el9_2.5.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbuildah1:1.29.7-1.el9_2.5buildah-1:1.29.7-1.el9_2.5.s390x.rpm
Red Hat Enterprise Linux9.2x86_64buildah1:1.29.7-1.el9_2.5buildah-1:1.29.7-1.el9_2.5.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64buildah-debuginfo1:1.29.7-1.el9_2.5buildah-debuginfo-1:1.29.7-1.el9_2.5.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebuildah-debuginfo1:1.29.7-1.el9_2.5buildah-debuginfo-1:1.29.7-1.el9_2.5.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbuildah-debuginfo1:1.29.7-1.el9_2.5buildah-debuginfo-1:1.29.7-1.el9_2.5.s390x.rpm
Red Hat Enterprise Linux9.2x86_64buildah-debuginfo1:1.29.7-1.el9_2.5buildah-debuginfo-1:1.29.7-1.el9_2.5.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64buildah-debugsource1:1.29.7-1.el9_2.5buildah-debugsource-1:1.29.7-1.el9_2.5.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebuildah-debugsource1:1.29.7-1.el9_2.5buildah-debugsource-1:1.29.7-1.el9_2.5.ppc64le.rpm
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24 Jul 2026 21:20Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00459
SSVC
CWE-1050
Go languagex509 certificatehostname errorunbounded concatenationdenial of serviceresource exhaustion
11