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Description

A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. 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 2026-05-10 | Published 2026-05-11 | Updated 2026-05-11 | Assigner VulDB




MEDIUM: 5.1CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.9CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.9CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.6AV:L/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Timeline

2026-05-10:Advisory disclosed
2026-05-10:VulDB entry created
2026-05-10:VulDB entry last update

Credits

biniam (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362558 (VDB-362558 | Squirrel sqobject.cpp Load heap-based overflow) vdb-entry technical-description

vuldb.com/vuln/362558/cti (VDB-362558 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/809904 (Submit #809904 | albertodemichelis squirrel 3.2 Heap-based Buffer Overflow) third-party-advisory

github.com/albertodemichelis/squirrel/issues/326 issue-tracking

github.com/...l-sqobject-functionproto-load-intovf-lineinfos exploit

cve.org (CVE-2026-8261)

nvd.nist.gov (CVE-2026-8261)

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