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Description

A vulnerability was found in Squirrel up to 3.2. This affects the function SQCompiler::Factor/SQCompiler::UnaryOP of the file squirrel/sqcompiler.cpp. Performing a manipulation results in uncontrolled recursion. The attack needs to be approached locally. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-02-28 | Published 2026-03-01 | Updated 2026-03-02 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Uncontrolled Recursion

Denial of Service

Timeline

2026-02-28:Advisory disclosed
2026-02-28:VulDB entry created
2026-02-28:VulDB entry last update

Credits

Oneafter (VulDB User) reporter

References

vuldb.com/?id.348274 (VDB-348274 | Squirrel sqcompiler.cpp UnaryOP recursion) vdb-entry technical-description

vuldb.com/?ctiid.348274 (VDB-348274 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.761314 (Submit #761314 | albertodemichelis squirrel master-branch Uncontrolled Recursion) third-party-advisory

github.com/albertodemichelis/squirrel/issues/312 issue-tracking

github.com/oneafter/0122/blob/main/i312/repro exploit

cve.org (CVE-2026-3388)

nvd.nist.gov (CVE-2026-3388)

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