CVE-2026-3390

FascinatedBox lily Error Reporting lily_build_error.c patch_line_end out-of-bounds

MEDIUM
5.5
CVSS Score
Published: March 1, 2026 at 10:02 AM UTC
Updated: June 17, 2026 at 10:43 AM UTC
2 products affected across 2 vendorsLilyLily

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.348276
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.348276
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.761326
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/FascinatedBox/lily/issues/382

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125CWE-119

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