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.
Affected products
squirrel-lang: squirrel
References6
- github.com/albertodemichelis/squirrel/issues/327 ExploitIssue TrackingMitigationPatch
- github.com/albertodemichelis/squirrel/issues/327 ExploitIssue TrackingMitigationPatch
- github.com/biniamf/pocs/tree/main/squirrel-sqobject-readobject-… Exploit
- vuldb.com/submit/814826 ExploitThird Party AdvisoryVDB Entry
- vuldb.com/vuln/365602 Third Party AdvisoryVDB Entry
- vuldb.com/vuln/365602/cti Permissions RequiredVDB Entry
Metrics
- CVSS 3.1
-
5.3
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 4.0
-
1.9
LOW
Score source: CNA
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 - EPSS — exploit probability
- 0% percentile: 6 · as of 14 November 2026
- CWE
- CWE-119CWE-122
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.