Disclosure summary
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.
Source-reported weakness categories
CWE-121
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2025-Jul
Open original source · Updated Feb 17, 2026
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.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 9.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 sysbench 1.0.20-6 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 luajit 2.1.0-26 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cm2 luajit 2.1.0-27 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 sysbench 1.0.20-2 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 sysbench 1.0.20-5 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 1.0.20-6 · product IDs 19527-17084, 20174-17084
- Vendor guidance · product IDs 19527-17084, 20174-17084
- CBL-Mariner Releases · build 2.1.0-27 · product IDs 20311-17086, 19536-16823
- Vendor guidance · product IDs 20311-17086, 19536-16823
- CBL-Mariner Releases · build 1.0.20-3 · product IDs 20314-17086
- Vendor guidance · product IDs 20314-17086
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-07-18T20:00:00-04:00
MODIFIED 2026-02-17T20:59:57-05:00
INGESTED 2026-10-08T12:45:45-04:00