Description
PuTTY 0.72 before 0.84 has a double free in RSA KEX.
References (2)
Core 2
Scores
CVSS v3
3.7
EPSS
0.0032
EPSS Percentile
23.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-415
Status
published
Products (2)
PuTTY/PuTTY
0.72 - 0.84
putty/putty
0.72 - 0.84
Published
May 25, 2026
Tracked Since
May 26, 2026