Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/albertodemichelis/squirrel/issues/325
- https://github.com/biniamf/pocs/tree/main/squirrel-validate_format-memcpy-oob
- https://vuldb.com/submit/809873
- https://vuldb.com/vuln/362555
- https://vuldb.com/vuln/362555/cti
- https://github.com/albertodemichelis/squirrel/issues/325
FAQ
What is CVE-2026-8258?
CVE-2026-8258 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 att...
How severe is CVE-2026-8258?
CVE-2026-8258 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-8258?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.