CVE WatchJul 23, 2026

CVE-2026-8258

A flaw has been found in Squirrel up to 3.2. Impacted is the function validate_format in the library sqstdlib/sqstdstring.cpp. Executing a m

CVSS

5.3

Medium

EPSS

0.1%

KEV

—

Exploit Today

0-100

Published: May 11, 2026 · Last modified: Jul 23, 2026 · CWE-119 · CWE-121

EPSS · 30d

0.1%EPSS · 30 days0.2%

2026-09-262026-10-25

Technical description

A flaw has been found in Squirrel up to 3.2. Impacted is the function validate_format in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Official references

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