Buffer overflow in Luajit

CVE-2024-25176

LuaJIT through 2.1 and OpenRusty luajit2 before v2.1-20240626 have a stack-buffer-overflow in lj_strfmt_wfnum in lj_strfmt_num.c.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (38.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-25176?
CVE-2024-25176 is a critical-severity vulnerability in Luajit, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-07-07.
How severe is CVE-2024-25176?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-25176 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.