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Description

A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. 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 2026-02-18 | Published 2026-02-18 | Updated 2026-02-18 | 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

Out-of-Bounds Read

Memory Corruption

Timeline

2026-02-18:Advisory disclosed
2026-02-18:VulDB entry created
2026-02-18:VulDB entry last update

Credits

Oneafter (VulDB User) reporter

References

vuldb.com/?id.346457 (VDB-346457 | Squirrel sqfuncstate.cpp PopTarget out-of-bounds) vdb-entry technical-description

vuldb.com/?ctiid.346457 (VDB-346457 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.753163 (Submit #753163 | albertodemichelis squirrel master-branch Heap-based Buffer Overflow) third-party-advisory

github.com/albertodemichelis/squirrel/issues/311 issue-tracking

github.com/oneafter/0122/blob/main/i311/repro exploit

cve.org (CVE-2026-2659)

nvd.nist.gov (CVE-2026-2659)

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