CVE-2026-48852

low

Description

PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.

References

https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/ecdsa-remotely-triggerable-assertion.html

https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html

Details

Source: Mitre, NVD

Published: 2026-05-25

Updated: 2026-05-26

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Severity: Low

EPSS

EPSS: 0.00039