CVE-2026-48850

State: Published
Severity: 3.7 Low
Published: May 25, 2026
Updated: May 26, 2026
Reserved: May 25, 2026

Description

PuTTY 0.72 before 0.84 has a double free in RSA KEX.

Scores

CVSS	Score	Vector	Source
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L	mitre

Weaknesses

CWE-415 Double Free

Affected Products

Product	Versions
PuTTYPuTTY	0.72 to before 0.84Affected

References

https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/rsakex-double-free.html

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