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CVE-2026-32280 Unexpected work during chain building in crypto/x509

🗓️ 08 Apr 2026 01:06:58Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 133 Views

CVE-2026-32280 causes excessive work in chain building with many intermediates, enabling DoS in crypto/x509 and crypto/tls.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
osv
OSV
CGA-69PV-3JX6-FX22
10 Apr 202621:07
osv
osv
OSV
CGA-69R5-3F97-8PPM
10 Apr 202621:04
osv
osv
OSV
CGA-69VC-567C-778G
10 Apr 202621:37
osv
osv
OSV
CGA-69VJ-RHXR-57Q8
11 Apr 202602:11
osv
osv
OSV
CGA-69W2-MW2F-95JQ
10 Apr 202622:26
osv
osv
OSV
CGA-6C3W-48XF-G2PF
11 Apr 202602:20
osv
osv
OSV
CGA-6C45-MJCQ-58H8
10 Apr 202622:28
osv
osv
OSV
CGA-6C49-J5VJ-6FGJ
10 Apr 202620:32
osv
osv
OSV
CGA-6C78-F6CF-FV24
10 Apr 202622:05
osv
osv
OSV
CGA-6C7J-VPXQ-CC79
10 Apr 202621:17
osv
Rows per page
[
  {
    "vendor": "Go standard library",
    "product": "crypto/x509",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "crypto/x509",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.9",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.2",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "Certificate.buildChains"
      },
      {
        "name": "Certificate.Verify"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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