CVE-2026-48852

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

Description

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

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-617 Reachable Assertion

Affected Products

Product	Versions
PuTTYPuTTY	0.71 to before 0.84Affected

References

https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/ecdsa-remotely-triggerable-assertion.html

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.