🛡️ CVE-2026-9541
🟡 CVSS 5.3 — Medium ⚠️ Exploit Public CWE-119 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE CWE-119
Public Exploit ⚠️ Yes
Source NVD
Published 2026-05-26
Updated 2026-06-02
Modified 2026-05-27

Affected Packages

Software From version Fixed in
squirrel — 3.2
unknown — —

References

Exploit, Issue Tracking, Mitigation, Patch https://github.com/albertodemichelis/squirrel/issues/327
Third Party Advisory, VDB Entry, Exploit https://vuldb.com/submit/814826
Third Party Advisory, VDB Entry https://vuldb.com/vuln/365602
Permissions Required, VDB Entry https://vuldb.com/vuln/365602/cti
Exploit, Issue Tracking, Mitigation, Patch https://github.com/albertodemichelis/squirrel/issues/327

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