CVE-2024-25176

CRITICAL

Published Jul 7, 2025 Modified Nov 3, 2025 CWE-121

Description

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.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
luajit	luajit	< 2.1.0

References

Advisories & Patches

https://github.com/LuaJIT/LuaJIT/commit/343ce0edaf3906a62022936175b2f5410024cbfc

Exploits

https://github.com/LuaJIT/LuaJIT/issues/1149 https://github.com/LuaJIT/LuaJIT/issues/1149

Other References

https://gist.github.com/pwnhacker0x18/cd75d01fc7c9b6c85c183fbe5353d276 https://github.com/openresty/luajit2/commit/343ce0edaf3906a62022936175b2f5410024cbfc https://lists.debian.org/debian-lts-announce/2025/08/msg00022.html

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-25176? +

CVE-2024-25176 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-25176? +

CVE-2024-25176 affects products from luajit, specifically: luajit. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-25176? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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Quick Facts

CVSS Score: 9.8
Severity: CRITICAL
Published: Jul 7, 2025

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