CVSS 3.1
9.1 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HCVE-2020-35859
Critical (9.1) in lucet-runtime-internals project lucet-runtime-internals. EPSS 1.5% chance of exploitation in the next 30 days. Fixed in lucet-runtime-internals 0.4.3, 0.5.1.
An issue was discovered in the lucet-runtime-internals crate before 0.5.1 for Rust. It mishandles sigstack allocation. Guest programs may be able to obtain sensitive information, or guest programs can experience memory corruption.
Severity
- EPSS
- 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-125, CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- lucet-runtime-internals_project:lucet-runtime-internals
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-3933-wvjf-pcvc | crates.io | lucet-runtime-internals | <0.4.3 | 0.4.3 |
| GHSA-3933-wvjf-pcvc | crates.io | lucet-runtime-internals | >=0.5.0 <0.5.1 | 0.5.1 |
| RUSTSEC-2020-0004 | crates.io | lucet-runtime-internals | >=0.0.0-0 <0.4.3 >=0.5.0 <0.5.1 | 0.4.3, 0.5.1 |