Putty
19 CVEs tracked since 2000. Since Jul 2000, none of them reached CISA KEV.
Putty CVEs per month
| Month | CVEs | In CISA KEV |
|---|---|---|
| 2000-07 | 1 | 0 |
| 2000-08 | null or fewer | |
| 2000-09 | null or fewer | |
| 2000-10 | null or fewer | |
| 2000-11 | null or fewer | |
| 2000-12 | null or fewer | |
| 2001-01 | null or fewer | |
| 2001-02 | null or fewer | |
| 2001-03 | null or fewer | |
| 2001-04 | null or fewer | |
| 2001-05 | null or fewer | |
| 2001-06 | null or fewer | |
| 2001-07 | null or fewer | |
| 2001-08 | null or fewer | |
| 2001-09 | null or fewer | |
| 2001-10 | null or fewer | |
| 2001-11 | null or fewer | |
| 2001-12 | null or fewer | |
| 2002-01 | null or fewer | |
| 2002-02 | null or fewer | |
| 2002-03 | null or fewer | |
| 2002-04 | null or fewer | |
| 2002-05 | null or fewer | |
| 2002-06 | null or fewer | |
| 2002-07 | null or fewer | |
| 2002-08 | null or fewer | |
| 2002-09 | null or fewer | |
| 2002-10 | null or fewer | |
| 2002-11 | null or fewer | |
| 2002-12 | 4 | 0 |
| 2003-01 | null or fewer | |
| 2003-02 | 1 | 0 |
| 2003-03 | null or fewer | |
| 2003-04 | null or fewer | |
| 2003-05 | null or fewer | |
| 2003-06 | null or fewer | |
| 2003-07 | null or fewer | |
| 2003-08 | null or fewer | |
| 2003-09 | null or fewer | |
| 2003-10 | null or fewer | |
| 2003-11 | null or fewer | |
| 2003-12 | null or fewer | |
| 2004-01 | null or fewer | |
| 2004-02 | null or fewer | |
| 2004-03 | null or fewer | |
| 2004-04 | null or fewer | |
| 2004-05 | null or fewer | |
| 2004-06 | null or fewer | |
| 2004-07 | null or fewer | |
| 2004-08 | null or fewer | |
| 2004-09 | 1 | 0 |
| 2004-10 | null or fewer | |
| 2004-11 | null or fewer | |
| 2004-12 | 1 | 0 |
| 2005-01 | null or fewer | |
| 2005-02 | 2 | 0 |
| 2005-03 | null or fewer | |
| 2005-04 | null or fewer | |
| 2005-05 | null or fewer | |
| 2005-06 | null or fewer | |
| 2005-07 | null or fewer | |
| 2005-08 | null or fewer | |
| 2005-09 | null or fewer | |
| 2005-10 | null or fewer | |
| 2005-11 | null or fewer | |
| 2005-12 | null or fewer | |
| 2006-01 | null or fewer | |
| 2006-02 | null or fewer | |
| 2006-03 | null or fewer | |
| 2006-04 | null or fewer | |
| 2006-05 | null or fewer | |
| 2006-06 | null or fewer | |
| 2006-07 | null or fewer | |
| 2006-08 | null or fewer | |
| 2006-09 | null or fewer | |
| 2006-10 | null or fewer | |
| 2006-11 | null or fewer | |
| 2006-12 | null or fewer | |
| 2007-01 | null or fewer | |
| 2007-02 | null or fewer | |
| 2007-03 | null or fewer | |
| 2007-04 | null or fewer | |
| 2007-05 | null or fewer | |
| 2007-06 | null or fewer | |
| 2007-07 | null or fewer | |
| 2007-08 | null or fewer | |
| 2007-09 | null or fewer | |
| 2007-10 | null or fewer | |
| 2007-11 | null or fewer | |
| 2007-12 | null or fewer | |
| 2008-01 | null or fewer | |
| 2008-02 | null or fewer | |
| 2008-03 | null or fewer | |
| 2008-04 | null or fewer | |
| 2008-05 | null or fewer | |
| 2008-06 | null or fewer | |
| 2008-07 | null or fewer | |
| 2008-08 | null or fewer | |
| 2008-09 | null or fewer | |
| 2008-10 | null or fewer | |
| 2008-11 | null or fewer | |
| 2008-12 | null or fewer | |
| 2009-01 | null or fewer | |
| 2009-02 | null or fewer | |
| 2009-03 | null or fewer | |
| 2009-04 | null or fewer | |
| 2009-05 | null or fewer | |
| 2009-06 | null or fewer | |
| 2009-07 | null or fewer | |
| 2009-08 | null or fewer | |
| 2009-09 | null or fewer | |
| 2009-10 | null or fewer | |
| 2009-11 | null or fewer | |
| 2009-12 | null or fewer | |
| 2010-01 | null or fewer | |
| 2010-02 | null or fewer | |
| 2010-03 | null or fewer | |
| 2010-04 | null or fewer | |
| 2010-05 | null or fewer | |
| 2010-06 | null or fewer | |
| 2010-07 | null or fewer | |
| 2010-08 | null or fewer | |
| 2010-09 | null or fewer | |
| 2010-10 | null or fewer | |
| 2010-11 | null or fewer | |
| 2010-12 | null or fewer | |
| 2011-01 | null or fewer | |
| 2011-02 | null or fewer | |
| 2011-03 | null or fewer | |
| 2011-04 | null or fewer | |
| 2011-05 | null or fewer | |
| 2011-06 | null or fewer | |
| 2011-07 | null or fewer | |
| 2011-08 | null or fewer | |
| 2011-09 | null or fewer | |
| 2011-10 | null or fewer | |
| 2011-11 | null or fewer | |
| 2011-12 | null or fewer | |
| 2012-01 | null or fewer | |
| 2012-02 | null or fewer | |
| 2012-03 | null or fewer | |
| 2012-04 | null or fewer | |
| 2012-05 | null or fewer | |
| 2012-06 | null or fewer | |
| 2012-07 | null or fewer | |
| 2012-08 | null or fewer | |
| 2012-09 | null or fewer | |
| 2012-10 | null or fewer | |
| 2012-11 | null or fewer | |
| 2012-12 | null or fewer | |
| 2013-01 | null or fewer | |
| 2013-02 | null or fewer | |
| 2013-03 | null or fewer | |
| 2013-04 | null or fewer | |
| 2013-05 | null or fewer | |
| 2013-06 | null or fewer | |
| 2013-07 | null or fewer | |
| 2013-08 | 5 | 0 |
| 2013-09 | null or fewer | |
| 2013-10 | null or fewer | |
| 2013-11 | null or fewer | |
| 2013-12 | null or fewer | |
| 2014-01 | null or fewer | |
| 2014-02 | null or fewer | |
| 2014-03 | null or fewer | |
| 2014-04 | null or fewer | |
| 2014-05 | null or fewer | |
| 2014-06 | null or fewer | |
| 2014-07 | null or fewer | |
| 2014-08 | null or fewer | |
| 2014-09 | null or fewer | |
| 2014-10 | null or fewer | |
| 2014-11 | null or fewer | |
| 2014-12 | null or fewer | |
| 2015-01 | null or fewer | |
| 2015-02 | null or fewer | |
| 2015-03 | 1 | 0 |
| 2015-04 | null or fewer | |
| 2015-05 | null or fewer | |
| 2015-06 | null or fewer | |
| 2015-07 | null or fewer | |
| 2015-08 | null or fewer | |
| 2015-09 | null or fewer | |
| 2015-10 | null or fewer | |
| 2015-11 | null or fewer | |
| 2015-12 | null or fewer | |
| 2016-01 | null or fewer | |
| 2016-02 | null or fewer | |
| 2016-03 | null or fewer | |
| 2016-04 | null or fewer | |
| 2016-05 | null or fewer | |
| 2016-06 | null or fewer | |
| 2016-07 | null or fewer | |
| 2016-08 | null or fewer | |
| 2016-09 | null or fewer | |
| 2016-10 | null or fewer | |
| 2016-11 | null or fewer | |
| 2016-12 | null or fewer | |
| 2017-01 | null or fewer | |
| 2017-02 | null or fewer | |
| 2017-03 | null or fewer | |
| 2017-04 | null or fewer | |
| 2017-05 | null or fewer | |
| 2017-06 | null or fewer | |
| 2017-07 | null or fewer | |
| 2017-08 | null or fewer | |
| 2017-09 | null or fewer | |
| 2017-10 | null or fewer | |
| 2017-11 | null or fewer | |
| 2017-12 | null or fewer | |
| 2018-01 | null or fewer | |
| 2018-02 | null or fewer | |
| 2018-03 | null or fewer | |
| 2018-04 | null or fewer | |
| 2018-05 | null or fewer | |
| 2018-06 | null or fewer | |
| 2018-07 | null or fewer | |
| 2018-08 | null or fewer | |
| 2018-09 | null or fewer | |
| 2018-10 | null or fewer | |
| 2018-11 | null or fewer | |
| 2018-12 | null or fewer | |
| 2019-01 | null or fewer | |
| 2019-02 | null or fewer | |
| 2019-03 | null or fewer | |
| 2019-04 | null or fewer | |
| 2019-05 | null or fewer | |
| 2019-06 | null or fewer | |
| 2019-07 | null or fewer | |
| 2019-08 | null or fewer | |
| 2019-09 | null or fewer | |
| 2019-10 | 3 | 0 |
Products
The products that kept showing up in Putty's monthly top three, with their CVEs summed over those months.
Latest CVEs
The 15 most recently published vulnerabilities affecting Putty.
- CVE-2026-48852PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.3.7
- CVE-2026-48851PuTTY 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.3.1
- CVE-2026-48850PuTTY 0.72 before 0.84 has a double free in RSA KEX.3.7
- CVE-2026-4115PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification3.7
- CVE-2024-31497In PuTTY 0.68 through 0.80 before 0.81, biased ECDSA nonce generation allows an attacker to recover a user's NIST P-521 secret key via a quick attack in approximately 60 signatures. This is especia...5.9
- CVE-2023-48795The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (fr...5.9
- CVE-2021-36367PuTTY through 0.75 proceeds with establishing an SSH session even if it has never sent a substantive authentication response. This makes it easier for an attacker-controlled SSH server to present a...8.1
- CVE-2021-33500PuTTY before 0.75 on Windows allows remote servers to cause a denial of service (Windows GUI hang) by telling the PuTTY window to change its title repeatedly at high speed, which results in many Se...7.5
- CVE-2020-14002PuTTY 0.68 through 0.73 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (whe...5.9
- CVE-2019-17067PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets, which allows attackers to listen on the same port to steal an incoming connection.9.8
- CVE-2019-17068PuTTY before 0.73 mishandles the "bracketed paste mode" protection mechanism, which may allow a session to be affected by malicious clipboard content.7.5
- CVE-2019-17069PuTTY before 0.73 might allow remote SSH-1 servers to cause a denial of service by accessing freed memory locations via an SSH1_MSG_DISCONNECT message.7.5
- CVE-2019-9898Potential recycling of random numbers used in cryptography exists within PuTTY before 0.71.9.8
- CVE-2019-9897Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.7.5
- CVE-2019-9896In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable.7.8
The record
- Peak rank
- #9 in Dec 2002
- Busiest month shown
- Aug 2013, 5 CVEs
- Months with a KEV entry
- 0 since Jul 2000
- Monthly snapshots
- 9 since 2000