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CVE-2026-4115 PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification

🗓️ 22 Mar 2026 12:15:07Reported by VulDBType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

PuTTY 0.83 Ed25519 signature verification in eddsa_verify may fail; patch af996b5e released.

Related
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
The vulnerability of the PuTTY encryption protection mechanism lies in its insufficient verification of data authenticity, allowing attackers to execute arbitrary code.
31 Jul 202600:00
bdu_fstec
cnnvd
CNNVD
PuTTY 数据伪造问题漏洞
22 Mar 202600:00
cnnvd
cve
CVE
CVE-2026-4115
22 Mar 202612:15
cve
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
OSV
DEBIAN-CVE-2026-4115
22 Mar 202613:16
osv
Rows per page
[
  {
    "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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22 Mar 2026 12:20Current
CVSS 22.6
CVSS 3.13.7
CVSS 33.7
CVSS 46.3
EPSS0.00534
53