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

šŸ—“ļøĀ 22 Jun 2026Ā 20:40:03Reported byĀ RedHatTypeĀ 
redhat
Ā redhatšŸ”—Ā access.redhat.comšŸ‘Ā 3Ā Views

Go crypto/x509 and crypto/tls denial of service via many intermediate certificates causing downtime.

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Tenable Nessus		Amazon Linux 2023 : yq (ALAS2023-2026-1582)
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Tenable Nessus		Amazon Linux 2023 : credentials-fetcher (ALAS2023-2026-1598)
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Tenable Nessus		Amazon Linux 2023 : nerdctl (ALAS2023-2026-1605)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64gvisor-tap-vsock6:0.8.5-2.el9_6.2gvisor-tap-vsock-6:0.8.5-2.el9_6.2.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64legvisor-tap-vsock6:0.8.5-2.el9_6.2gvisor-tap-vsock-6:0.8.5-2.el9_6.2.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xgvisor-tap-vsock6:0.8.5-2.el9_6.2gvisor-tap-vsock-6:0.8.5-2.el9_6.2.s390x.rpm
Red Hat Enterprise Linux9.6x86_64gvisor-tap-vsock6:0.8.5-2.el9_6.2gvisor-tap-vsock-6:0.8.5-2.el9_6.2.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64gvisor-tap-vsock-debuginfo6:0.8.5-2.el9_6.2gvisor-tap-vsock-debuginfo-6:0.8.5-2.el9_6.2.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64legvisor-tap-vsock-debuginfo6:0.8.5-2.el9_6.2gvisor-tap-vsock-debuginfo-6:0.8.5-2.el9_6.2.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xgvisor-tap-vsock-debuginfo6:0.8.5-2.el9_6.2gvisor-tap-vsock-debuginfo-6:0.8.5-2.el9_6.2.s390x.rpm
Red Hat Enterprise Linux9.6x86_64gvisor-tap-vsock-debuginfo6:0.8.5-2.el9_6.2gvisor-tap-vsock-debuginfo-6:0.8.5-2.el9_6.2.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64gvisor-tap-vsock-debugsource6:0.8.5-2.el9_6.2gvisor-tap-vsock-debugsource-6:0.8.5-2.el9_6.2.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64legvisor-tap-vsock-debugsource6:0.8.5-2.el9_6.2gvisor-tap-vsock-debugsource-6:0.8.5-2.el9_6.2.ppc64le.rpm
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13 Jul 2026 23:21Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00615
SSVC
CWE-770
Go languagecertificate chain buildingintermediate certificatesdenial of servicesecurity vulnerability
3