What’s Vulnerable › Vulnerabilities

CVE-2019-17069

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-01 · updated 2026-06-17
• Weakness: CWE-416

Description

PuTTY 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.

Affected products

• NetApp Oncommand Unified Manager Core Package: all versions
• openSUSE Leap: 15.0, 15.1
• PuTTY: before 0.73 — fixed in 0.73

How to fix

Upgrade to a fixed version: PuTTY 0.73. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00021.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00030.html
• https://lists.debian.org/debian-lts-announce/2024/04/msg00016.html
• https://lists.tartarus.org/pipermail/putty-announce/2019/000029.html
• https://security.netapp.com/advisory/ntap-20191127-0003/
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00021.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00030.html
• https://lists.debian.org/debian-lts-announce/2024/04/msg00016.html
• https://lists.tartarus.org/pipermail/putty-announce/2019/000029.html
• https://security.netapp.com/advisory/ntap-20191127-0003/

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