Disclosure summary
The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.
Source-reported weakness categories
CWE-126
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 20, 2026
The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 4.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 rpm-ostree 2022.1-7 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 rust 1.75.0-16 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 rust 1.86.0-3 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 rpm-ostree 2022.1-7 on CBL Mariner 2.0 | (MSRC status code 3) |
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-09-03T23:10:43-04:00
MODIFIED 2026-02-20T23:23:18-05:00
INGESTED 2026-10-08T12:45:47-04:00