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CLEANSTART-2026-SJ77898 Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints

🗓️ 08 Oct 2026 00:43:21Reported by GoogleType 
osv
 osv🔗 osv.dev👁 3 Views

Certificate verification in library can panic with specific chain certificate names.

Related
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise Certified Container operator and IntegrationRuntime & IntegrationServer operands are vulnerable to loss of confidentiality (CVE-2026-27137) and denial of service (CVE-2026-27138)
1 May 202616:57
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
26 May 202606:03
–ibm
attackerkb
attackerkb		CVE-2026-27138
6 Mar 202621:28
–attackerkb
alpinelinux
AlpineLinux		CVE-2026-27138
6 Mar 202621:28
–alpinelinux
bdu_fstec
BDU FSTEC		The vulnerability of the Go programming language, related to errors in the certificate validation process, allows a perpetrator to cause service failures.
27 Mar 202600:00
–bdu_fstec
cbl_mariner
CBLMariner		CVE-2026-27138 affecting package golang for versions less than 1.25.8-1
13 Mar 202619:01
–cbl_mariner
cbl_mariner
CBLMariner		CVE-2026-27138 affecting package golang for versions less than 1.26.1-1
13 Mar 202619:01
–cbl_mariner
cgr
Chainguard		CVE-2026-27138 vulnerabilities
10 Mar 202619:18
–cgr
nessus
Tenable Nessus		Rocky Linux 9.6 [CIQ] Security Update: go-toolset / golang / golang-bin / golang-docs / golang-misc / etc Multiple Vulnerabilities (ciqsa-2026_1411)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Golang 1.26.x < 1.26.1 Multiple Vulnerabilities
6 Mar 202600:00
–nessus
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08 Oct 2026 16:47Current
7High risk
Vulners AI Score7
CVSS 3.15.9
EPSS0.00333
librarycertificate verificationpanicDNS nameexcluded name constraints
3