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CVE-2026-42771

🗓️ 09 Jun 2026 16:03:30Reported by opensslType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Possible out of bounds read in email validation for certificates, causing a crash with From address.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-42771 Possible Out of Bounds Read in X509_VERIFY_PARAM_set1_email()
9 Jun 202616:03
cvelist
Debian CVE
CVE-2026-42771
9 Jun 202616:03
debiancve
EUVD
EUVD-2026-35488
9 Jun 202618:30
euvd
NVD
CVE-2026-42771
9 Jun 202617:17
nvd
OSV
UBUNTU-CVE-2026-42771
9 Jun 202600:00
osv
Packet Storm News
OpenSSL Security Advisory 20260609
9 Jun 202600:00
packetstormnews
Packet Storm News
OpenSSL Toolkit 4.0.1
9 Jun 202600:00
packetstormnews
Positive Technologies
PT-2026-47841
9 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-42771 Possible Out of Bounds Read in X509_VERIFY_PARAM_set1_email()
9 Jun 202616:03
vulnrichment
Vulners
Node
opensslopensslRange4.0.04.0.1
[
  {
    "defaultStatus": "unaffected",
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "lessThan": "4.0.1",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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09 Jun 2026 20:16Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.2
SSVC
8