CVE-2026-3384 | THREATINT

Description

A security vulnerability has been detected in ChaiScript up to 6.1.0. This impacts the function chaiscript::eval::AST_Node_Impl::eval/chaiscript::eval::Function_Push_Pop of the file include/chaiscript/language/chaiscript_eval.hpp. The manipulation leads to uncontrolled recursion. An attack has to be approached locally. The exploit has been disclosed publicly and may 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.348270 (VDB-348270 | ChaiScript chaiscript_eval.hpp Function_Push_Pop recursion) vdb-entry technical-description

vuldb.com/?ctiid.348270 (VDB-348270 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.761303 (Submit #761303 | ChaiScript develop branch Uncontrolled Recursion) third-party-advisory

github.com/ChaiScript/ChaiScript/issues/633 issue-tracking

github.com/ChaiScript/ChaiScript/issues/633 exploit issue-tracking

github.com/ChaiScript/ChaiScript/ product

cve.org (CVE-2026-3384)

nvd.nist.gov (CVE-2026-3384)

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