CVE-2026-8258

LOW EPSS 2.5%
Published May 11, 20261mo ago · Modified Jun 17, 20262w ago
1.9 CVSS 4.0
Low
Find Similar
Published May 11, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
2.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121

References 5

  • github.com https://github.com/albertodemichelis/squirrel/issues/325
  • github.com https://github.com/biniamf/pocs/tree/main/squirrel-validate_format-memcpy-oob
  • vuldb.com https://vuldb.com/submit/809873
  • vuldb.com https://vuldb.com/vuln/362555
  • vuldb.com https://vuldb.com/vuln/362555/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.