Squirrel sqstdstring.cpp validate_format stack-based overflow_CVE-2026-8258

4.8 / 10

MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

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.

Basic Information

ID CVE-2026-8258

Source VulDB

Published May 11, 2026 at 00:45

Affected Product

Vendor n/a

Product Squirrel

Version 3.0

Affected Versions n/a Squirrel 3.0
n/a Squirrel 3.1
n/a Squirrel 3.2

CWE Classification

CWE-121 CWE-119

References

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    "published": "2026-05-11T00:45:11.651Z",
    "modified": "2026-05-11T00:45:11.651Z",
    "type": "cve",
    "title": "Squirrel sqstdstring.cpp validate_format stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/362555\nhttps://vuldb.com/vuln/362555/cti\nhttps://vuldb.com/submit/809873\nhttps://github.com/albertodemichelis/squirrel/issues/325\nhttps://github.com/biniamf/pocs/tree/main/squirrel-validate_format-memcpy-oob",
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