What’s Vulnerable › Vulnerabilities

CVE-2026-3392: FascinatedBox lily lily_emitter.c eval_tree null pointer dereference

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-01 · updated 2026-06-17
• Weakness: CWE-404

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.

Affected products

• FascinatedBox lily: through 2.3

References

• https://github.com/FascinatedBox/lily/
• https://github.com/FascinatedBox/lily/issues/384
• https://github.com/oneafter/0122/blob/main/i384/repro.lily
• https://vuldb.com/?ctiid.348278
• https://vuldb.com/?id.348278
• https://vuldb.com/?submit.761328

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