Incorrect calculation in wolfSSL - CVE-2026-10512

 

Incorrect calculation in wolfSSL - CVE-2026-10512

Published: July 1, 2026


Vulnerability identifier: #VU136651
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-10512
CWE-ID: CWE-682
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: wolfSSL
Affected software:
wolfSSL

Detailed vulnerability description

The vulnerability allows a remote attacker to cause incorrect shared secret computation.

The vulnerability exists due to incorrect calculation in the X25519 x86_64 assembly implementation when performing the final modular reduction. A remote attacker can trigger X25519 operations to cause incorrect shared secret computation.

The issue affects the x86_64 assembly implementation.


How to mitigate CVE-2026-10512

Install security update from vendor's website.

Sources