VulnerabilityAnalyzed
CVE-2026-9541
Performing a manipulation results in heap-based buffer overflow.
LOW 1.9EPSS 0.17%
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 1.9 LOWCVSS: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/M
- EPSS
- 0.17% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-122
- Affected
- squirrel-lang/squirrel
- Source
- cna@vuldb.com
References
- https://github.com/albertodemichelis/squirrel/issues/327Exploit, Issue Tracking, Mitigation, Patch
- https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-readobject-neg-len-oobExploit
- https://vuldb.com/submit/814826Exploit, Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/365602Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/365602/ctiPermissions Required, VDB Entry
- https://github.com/albertodemichelis/squirrel/issues/327Exploit, Issue Tracking, Mitigation, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.