CVE-2019-9895

CRITICAL

PuTTY < 0.71 - Buffer Overflow via Server-to-Client Forwarding

Title source: llm
STIX 2.1

Description

In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.

References (8)

Core 8
Core References
Mailing List mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Apr/6
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190404-0001/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4423

Scores

CVSS v3 9.8
EPSS 0.0257
EPSS Percentile 83.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (3)
fedoraproject/fedora 28
fedoraproject/fedora 29
putty/putty < 0.71
Published Mar 21, 2019
Tracked Since Feb 18, 2026