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CVE-2026-34180

🗓️ 09 Jun 2026 16:03:17Reported by opensslType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-34180 heap overread in 64-bit Unix ASN.1 parsing when content exceeds two gigabytes.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-34180 Heap Buffer Over-read in ASN.1 Content Parsing
9 Jun 202616:03
cvelist
Debian CVE
CVE-2026-34180
9 Jun 202616:03
debiancve
EUVD
EUVD-2026-35476
9 Jun 202618:30
euvd
NVD
CVE-2026-34180
9 Jun 202617:17
nvd
Positive Technologies
PT-2026-47829
9 Jun 202600:00
ptsecurity
Ubuntu
USN-8414-2: OpenSSL vulnerabilities
9 Jun 202618:29
ubuntu
Vulnrichment
CVE-2026-34180 Heap Buffer Over-read in ASN.1 Content Parsing
9 Jun 202616:03
vulnrichment
Vulners
Node
opensslopensslRange4.0.04.0.1
OR
opensslopensslRange3.6.03.6.3
OR
opensslopensslRange3.5.03.5.7
OR
opensslopensslRange3.4.03.4.6
OR
opensslopensslRange3.0.03.0.21
OR
opensslopensslRange1.1.11.1.1zh
OR
opensslopensslRange1.0.21.0.2zq
[
  {
    "defaultStatus": "unaffected",
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "lessThan": "4.0.1",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.6.3",
        "status": "affected",
        "version": "3.6.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.5.7",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.6",
        "status": "affected",
        "version": "3.4.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.0.21",
        "status": "affected",
        "version": "3.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.1.1zh",
        "status": "affected",
        "version": "1.1.1",
        "versionType": "custom"
      },
      {
        "lessThan": "1.0.2zq",
        "status": "affected",
        "version": "1.0.2",
        "versionType": "custom"
      }
    ]
  }
]

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09 Jun 2026 19:38Current
5.8Medium risk
Vulners AI Score5.8
SSVC
6