Buffer overflow in Fascinatedbox Lily
CVE-2026-2660
A vulnerability was identified in FascinatedBox lily up to 2.3. Affected by this issue is the function shorthash_for_name of the file src/lily_symtab.c. The manipulation leads to use after free. Local access is required to approach this attack. 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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (9.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000
Affected products
- Fascinatedbox Lily — versions 2.0, 2.1, 2.2
- Lily-Lang Lily
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/FascinatedBox/lily/issues/385 (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- github.com/oneafter/0122/blob/main/i385/repro.lily (Exploit, exploit)
- github.com/FascinatedBox/lily/ (Product, product)
Frequently asked questions
- What is CVE-2026-2660?
- CVE-2026-2660 is a low-severity vulnerability in Fascinatedbox Lily, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-02-18.
- How severe is CVE-2026-2660?
- Low severity. CVSS v3 base score is 3.3 out of 10.