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Description

A weakness has been identified in FascinatedBox lily up to 2.3. The affected element is the function eval_tree of the file src/lily_emitter.c. This manipulation causes null pointer dereference. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. 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 2026-03-01 | 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

Product status

2.0
affected

2.1
affected

2.2
affected

2.3
affected

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.348278 (VDB-348278 | FascinatedBox lily lily_emitter.c eval_tree null pointer dereference) vdb-entry technical-description

vuldb.com/?ctiid.348278 (VDB-348278 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.761328 (Submit #761328 | FascinatedBox lily main-branch NULL Pointer Dereference) third-party-advisory

github.com/FascinatedBox/lily/issues/384 issue-tracking

github.com/oneafter/0122/blob/main/i384/repro.lily exploit

github.com/FascinatedBox/lily/ product

cve.org (CVE-2026-3392)

nvd.nist.gov (CVE-2026-3392)

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