Buffer overflow in Fascinatedbox Lily
CVE-2026-2662
A weakness has been identified in FascinatedBox lily up to 2.3. This vulnerability affects the function count_transforms of the file src/lily_emitter.c. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. 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 (10.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.5% 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/381 (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- github.com/oneafter/0122/blob/main/i381/repro.lily (Exploit, exploit)
- github.com/FascinatedBox/lily/ (Product, product)
Frequently asked questions
- What is CVE-2026-2662?
- CVE-2026-2662 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-2026-2662?
- Low severity. CVSS v3 base score is 3.3 out of 10.