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Putty PuTTYPuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.

Risk 20
Severity
3.7
First published (updated )
CVE-2026-48852

Putty PuTTYPuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the t…

Risk 17
Severity
3.1
First published (updated )
CVE-2026-48851

Putty PuTTYDouble Free

Risk 20
Severity
3.7
First published (updated )
CVE-2026-48850

oss-secPuTTY 0.84 leased with 3 minor security fixes

First published (updated )
https://seclists.org/oss-sec/2026/q2/688

Putty PuTTYPuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification

Risk 15
Severity
2.9
EPSS
0.01%
First published (updated )
CVE-2026-4115
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Fortinet FortiSIEMOpenSSH Terrapin attack (CVE-2023-48795)

Risk 37
Severity
6
First published (updated )
CVE-2023-48795

Putty PuTTYBuffer Overflow

Risk 86
Severity
9.8
First published (updated )
CVE-2017-6542

Putty PuTTYMultiple untrusted search path vulnerabilities in Putty beta 0.67 allow local users to execute arbit…

Risk 68
Severity
7.8
First published (updated )
CVE-2016-6167

Putty PuTTYBuffer Overflow

Risk 13
Severity
2.1
First published (updated )
CVE-2011-4607

Putty PuTTYInteger Overflow

Risk 52
Severity
7.5
First published (updated )
CVE-2005-0467
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Putty PuTTYBuffer Overflow

Risk 52
Severity
7.5
First published (updated )
CVE-2004-1440

Putty PuTTYBuffer Overflow

Risk 87
Severity
10
First published (updated )
CVE-2004-1008

Putty PuTTYThe PuTTY terminal emulator 0.53 allows attackers to modify the window title via a certain character…

Risk 52
Severity
7.5
First published (updated )
CVE-2003-0069

Putty PuTTYPuTTY 0.53b and earlier does not clear logon credentials from memory, including plaintext passwords,…

Risk 34
Severity
4.6
First published (updated )
CVE-2003-0048

Cisco IOSBuffer Overflow

Risk 87
Severity
10
First published (updated )
CVE-2002-1357
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Cisco IOSInput Validation, Buffer Overflow

Risk 87
Severity
10
First published (updated )
CVE-2002-1359

Cisco IOSInput Validation

Risk 87
Severity
10
First published (updated )
CVE-2002-1360

Cisco IOSInput Validation

Risk 87
Severity
10
First published (updated )
CVE-2002-1358

Xfree86 Project X11r6xterm, Eterm, and rxvt allow an attacker to cause a denial of service by embedding certain escape ch…

Risk 27
Severity
5
First published (updated )
CVE-2000-0476

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