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Description

A vulnerability was determined in Squirrel up to 3.2. This vulnerability affects the function sqstd_rex_newnode in the library sqstdlib/sqstdrex.cpp. Executing a manipulation can lead to null pointer dereference. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. 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

NULL Pointer Dereference

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.348275 (VDB-348275 | Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference) vdb-entry technical-description

vuldb.com/?ctiid.348275 (VDB-348275 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.761315 (Submit #761315 | albertodemichelis squirrel master-branch NULL Pointer Dereference) third-party-advisory

github.com/albertodemichelis/squirrel/issues/314 issue-tracking

github.com/oneafter/0122/blob/main/i314/repro exploit

cve.org (CVE-2026-3389)

nvd.nist.gov (CVE-2026-3389)

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