CVE-2026-3391: fascinatedbox lily

Vulnerability summary

CVE-2026-3391 is a medium (CVSS 5.5) vulnerability in fascinatedbox lily. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.1% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 01-03-2026
   PublishedVulnerability first disclosed.
2. 02-03-2026
   Last modifiedVulnerability information updated.

Description

A security flaw has been discovered in FascinatedBox lily up to 2.3. Impacted is the function clear_storages of the file src/lily_emitter.c. The manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.