CVE-2026-48852CWE-617

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

Low · published May 25, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
27.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00353 · 27.8th percentile
Weakness
CWE-617 · Reachable Assertion
Published
2026-05-25T20:19Z
EPSS history
Timeline
  • 25 MAY 20:19Z
    PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification
    cvelistv5