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

Quick assessment

Affected
FascinatedBox lily
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

lily是FascinatedBox个人开发者的一个编程语言。 lily 2.3及之前版本存在代码问题漏洞，该漏洞源于文件src/lily_emitter.c中函数eval_tree存在空指针取消引用。

CVSS 3.3 · Low EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-3392

Vulnerability Information
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Vulnerability Title
FascinatedBox lily lily_emitter.c eval_tree null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
lily 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lily是FascinatedBox个人开发者的一个编程语言。 lily 2.3及之前版本存在代码问题漏洞，该漏洞源于文件src/lily_emitter.c中函数eval_tree存在空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FascinatedBox lily 2.0 -

II. Public POCs for CVE-2026-3392

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III. Intelligence Information for CVE-2026-3392

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Vendor Advisories for CVE-2026-3392 (1)

Same Patch Batch · FascinatedBox · 2026-03-01 · 3 CVEs total

CVE-2026-3390 3.3 LOW FascinatedBox lily Error Reporting lily_build_error.c patch_line_end out-of-bounds
CVE-2026-3391 3.3 LOW FascinatedBox lily lily_emitter.c clear_storages out-of-bounds

IV. Related Vulnerabilities

Same product: lily
Same vendor: FascinatedBox
Same weakness: CWE-476

V. Comments for CVE-2026-3392

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