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CVE-2026-4115

🗓️ 22 Mar 2026 12:15:07Reported by VulDBType 
cve
 cve
🔗 web.nvd.nist.gov👁 57 Views

PuTTY 0.83 Ed25519 flaw in eddsa_verify; remote, complex exploit; patch af996b5e released.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-4115
22 Mar 202612:15
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-4115
22 Mar 202612:15
–alpinelinux
bdu_fstec
BDU FSTEC
PuTTY Encryption Verification Code Execution
31 Jul 202600:00
–bdu_fstec
cnnvd
CNNVD
PuTTY data manipulation vulnerability
22 Mar 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-4115 PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification
22 Mar 202612:15
–cvelist
debiancve
Debian CVE
CVE-2026-4115
22 Mar 202612:15
–debiancve
euvd
EUVD
EUVD-2026-14301
22 Mar 202615:31
–euvd
mageia
Mageia
Updated putty packages fix security vulnerabilities
15 Jun 202615:56
–mageia
nvd
NVD
CVE-2026-4115
22 Mar 202613:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-4115
22 Mar 202613:16
–osv_debian
Rows per page
NVD
Vulners
Node
puttyputtyMatch0.83
[
  {
    "vendor": "n/a",
    "product": "PuTTY",
    "versions": [
      {
        "version": "0.83",
        "status": "affected"
      }
    ],
    "cpes": [
      "cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "Ed25519 Signature Handler"
    ]
  }
]

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17 Jun 2026 10:56Current
4.3Medium risk
Vulners AI Score4.3
CVSS 22.6
CVSS 3.13.7
CVSS 33.7
CVSS 46.3
EPSS0.0025
SSVC
57