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Description

A security flaw has been discovered in FascinatedBox lily up to 2.3. Impacted is the function clear_storages of the file src/lily_emitter.c. The manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been released to the public and may 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

Out-of-Bounds Read

Memory Corruption

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.348277 (VDB-348277 | FascinatedBox lily lily_emitter.c clear_storages out-of-bounds) vdb-entry technical-description

vuldb.com/?ctiid.348277 (VDB-348277 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.761327 (Submit #761327 | FascinatedBox lily main-branch Heap-based Buffer Overflow) third-party-advisory

github.com/FascinatedBox/lily/issues/383 issue-tracking

github.com/oneafter/0122/blob/main/i383/repro.lily exploit

github.com/FascinatedBox/lily/ product

cve.org (CVE-2026-3391)

nvd.nist.gov (CVE-2026-3391)

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