What is GHSA-rx8r-f2xx-98h9?

GHSA-rx8r-f2xx-98h9 is a security advisory published by GitHub Security Advisories with Low severity. PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.

Which CVE IDs does GHSA-rx8r-f2xx-98h9 cover?

GHSA-rx8r-f2xx-98h9 covers the following CVE IDs: CVE-2026-48852. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rx8r-f2xx-98h9?

GHSA-rx8r-f2xx-98h9 has a CVSS v3 base score of 3.7, published by GitHub Security Advisories.

GHSA-rx8r-f2xx-98h9LowCVSS 3.7

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

Vendor

GitHub Security Advisories

Published

May 26, 2026

Last Modified

May 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-48852 →

📋 Description

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

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-48852
https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/ecdsa-remotely-triggerable-assertion.html
https://github.com/advisories/GHSA-rx8r-f2xx-98h9