CVE-2026-8258 | Squirrel up to 3.2 sqstdlib/sqstdstring.cpp validate_format stack-based overflow (Issue 325 / CNNVD-202605-2395)

A vulnerability labeled as . Impacted is the function validate_format in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow.

The identification of this vulnerability is CVE-2026-8258. The attack can only be executed locally. Furthermore, there is an exploit available.

The project was informed of the problem early through an issue report but has not responded yet.