Disclosure summary
mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
Source-reported weakness categories
CWE-416
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) · 2026-Feb
Open original source · Updated Mar 02, 2026
mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.3
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 nghttp2 1.61.0-2 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 rust 1.75.0-24 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 nghttp2 1.57.0-2 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 rust 1.90.0-3 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 rust 1.72.0-13 on CBL Mariner 2.0 | (MSRC status code 3) |
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-02-20T23:27:59-05:00
MODIFIED 2026-03-02T20:37:17-05:00
INGESTED 2026-10-08T12:45:19-04:00