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Description

A vulnerability was identified in FascinatedBox lily up to 2.3. This issue affects the function patch_line_end of the file src/lily_build_error.c of the component Error Reporting. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might 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

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.348276 (VDB-348276 | FascinatedBox lily Error Reporting lily_build_error.c patch_line_end out-of-bounds) vdb-entry technical-description

vuldb.com/?ctiid.348276 (VDB-348276 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.761326 (Submit #761326 | FascinatedBox lily main-branch Heap-based Buffer Overflow) third-party-advisory

github.com/FascinatedBox/lily/issues/382 issue-tracking

github.com/oneafter/0122/blob/main/i382/repro.lily exploit

github.com/FascinatedBox/lily/ product

cve.org (CVE-2026-3390)

nvd.nist.gov (CVE-2026-3390)

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