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CVE-2026-42770

🗓️ 09 Jun 2026 16:03:29Reported by opensslType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

DHX X9.42 peer validation uses attacker-supplied q, enabling small-subgroup attack to recover private key.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-42770 FFC-DH Peer Validation Uses Attacker-Supplied q
9 Jun 202616:03
cvelist
Debian CVE
CVE-2026-42770
9 Jun 202616:03
debiancve
EUVD
EUVD-2026-35487
9 Jun 202618:30
euvd
NVD
CVE-2026-42770
9 Jun 202617:17
nvd
OSV
DEBIAN-CVE-2026-42770
9 Jun 202619:47
osv
OSV
UBUNTU-CVE-2026-42770
9 Jun 202600:00
osv
Positive Technologies
PT-2026-47840
9 Jun 202600:00
ptsecurity
Ubuntu
USN-8414-1: OpenSSL vulnerabilities
9 Jun 202617:14
ubuntu
Vulnrichment
CVE-2026-42770 FFC-DH Peer Validation Uses Attacker-Supplied q
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
[
  {
    "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"
      }
    ]
  }
]

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