What’s Vulnerable › Vulnerabilities

CVE-2019-9896

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-03-21 · updated 2026-06-17
• Weakness: CWE-427

Description

In 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.

Affected products

• openSUSE Backports Sle: 15.0
• openSUSE Leap: 15.0
• PuTTY: before 0.71 — fixed in 0.71

How to fix

Upgrade to a fixed version: PuTTY 0.71. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html
• https://security.netapp.com/advisory/ntap-20190404-0001/
• https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html
• https://security.netapp.com/advisory/ntap-20190404-0001/
• https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html

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