CVE-2020-35859

CRITICAL

Lucet-runtime-internals < 0.5.1 - Out-of-Bounds Write

Title source: rule

Description

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.

References (1)

Core 1

Core References

Patch, Third Party Advisory x_refsource_misc

https://rustsec.org/advisories/RUSTSEC-2020-0004.html

Scores

CVSS v3 9.1

EPSS 0.0043

EPSS Percentile 62.9%

Attack Vector NETWORK

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

Details

CWE

CWE-125 CWE-787

Status published

Products (2)

crates.io/lucet-runtime-internals 0 - 0.4.3crates.io

lucet-runtime-internals_project/lucet-runtime-internals < 0.5.1

Published Dec 31, 2020

Tracked Since Feb 18, 2026