CVE-2026-9541

LOW EPSS 6.6%
Published May 26, 20261mo ago · Modified Jun 17, 20262w ago
1.9 CVSS 4.0
Low
Find Similar
Published May 26, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

A security flaw has been discovered in Squirrel up to 3.2. Impacted is the function ReadObject of the file squirrel/sqobject.cpp of the component Cnut File Handler. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. 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
6.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-122

Affected Products 1

VendorProductVersionRange
squirrel-langsquirrel* ≤3.2

References 5

  • github.com https://github.com/albertodemichelis/squirrel/issues/327
    ExploitIssue TrackingMitigationPatch
  • github.com https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-readobject-neg-len-oob
    Exploit
  • vuldb.com https://vuldb.com/submit/814826
    ExploitThird Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/365602
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/365602/cti
    Permissions RequiredVDB Entry

Remediation

  • github.com https://github.com/albertodemichelis/squirrel/issues/327
    ExploitIssue TrackingMitigationPatch