User Interface (UI) Misrepresentation of Critical Information Affecting putty package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-DEBIAN11-PUTTY-17037410
  • published29 May 2026
  • disclosed25 May 2026

Introduced: 25 May 2026

CVE-2026-48851  (opens in a new tab)
CWE-451  (opens in a new tab)

How to fix?

There is no fixed version for Debian:11 putty.

NVD Description

Note: Versions mentioned in the description apply only to the upstream putty package and not the putty package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

PuTTY 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.