CVE-2026-3392 FascinatedBox lily lily_emitter.c eval_tree null pointer dereference
A local attacker can cause a denial of service via null pointer dereference in the Lily programming language library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-3392?
CVE-2026-3392 is a medium-severity vulnerability in FascinatedBox lily, published on 1 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A weakness has been identified in FascinatedBox lily up to 2.3. The affected element is the function eval_tree of the file src/lily_emitter.c. This manipulation causes null pointer dereference. The attack is restricted to local execution. 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.
Which versions are affected by CVE-2026-3392?
It affects 1 product.
Products include Lily-Lang Lily.
How do I fix CVE-2026-3392?
No fix published yet.
Is CVE-2026-3392 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3392 exists.
Other vulnerabilities in FascinatedBox lily
- CVE-2026-3390 FascinatedBox lily Error Reporting lily_build_error.c patch_line_end out-of-bounds
- CVE-2026-3391 FascinatedBox lily lily_emitter.c clear_storages out-of-bounds
- CVE-2026-2660 FascinatedBox lily lily_symtab.c shorthash_for_name use after free
- CVE-2026-2662 FascinatedBox lily lily_emitter.c count_transforms out-of-bounds
Sources
Also known as GHSA-wjxq-hxc4-r33w.