CVE-2026-48850

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

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html	Release Notes
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/rsakex-double-free.html	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-25 21:16

Updated : 2026-07-24 10:10

NVD link : CVE-2026-48850

Mitre link : CVE-2026-48850

CVE.ORG link : CVE-2026-48850

JSON object : View

Products Affected

putty

putty

CWE

CWE-415

Double Free

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