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3 vulnerabilities found for PuTTY by PuTTY
CVE-2026-48852 (GCVE-0-2026-48852)
Vulnerability from cvelistv5 – Published: 2026-05-25 20:19 – Updated: 2026-05-26 12:39
VLAI
EPSS
VEX
Summary
PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 12:39 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
mitre
CNA
References
Impacted products
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CVE-2026-48851 (GCVE-0-2026-48851)
Vulnerability from cvelistv5 – Published: 2026-05-25 20:16 – Updated: 2026-05-26 12:40
VLAI
EPSS
VEX
Summary
PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 12:40 UTC
CWE
- CWE-451 - User Interface (UI) Misrepresentation of Critical Information
Assigner
mitre
CNA
References
Impacted products
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CVE-2026-48850 (GCVE-0-2026-48850)
Vulnerability from cvelistv5 – Published: 2026-05-25 20:13 – Updated: 2026-05-26 12:59
VLAI
EPSS
VEX
Summary
PuTTY 0.72 before 0.84 has a double free in RSA KEX.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 12:59 UTC
CWE
- CWE-415 - Double Free
Assigner
mitre
CNA
References
Impacted products
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