CVE-2026-3390

Name: CVE-2026-3390
Creator: NVD / NIST
Published: 2026-03-01T10:16:01.583+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2026-3390 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. 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. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

1.9/10

CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.17%

6.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Lily-Lang	Lily	<= 2.3

References

https://github.com/FascinatedBox/lily/Product
https://github.com/FascinatedBox/lily/issues/382Exploit, Issue Tracking, Vendor Advisory
https://github.com/oneafter/0122/blob/main/i382/repro.lilyExploit
https://vuldb.com/?ctiid.348276Permissions Required, VDB Entry
https://vuldb.com/?id.348276Third Party Advisory, VDB Entry
https://vuldb.com/?submit.761326Third Party Advisory, VDB Entry

Timeline

Published: Mar 1, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3390?

How severe is CVE-2026-3390?

CVE-2026-3390 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3390?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3390?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST