CVE-2020-35859

Out of bounds access in lucet-runtime-internals

Published 31 Dec 2020Modified 17 Jun 2026CWE 125, 787

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

GHSA9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA.

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.

Affected packages and fixed versions

Source	Package	Fixed in
cargo::GitHub Security Advisory Rust	lucet-runtime-internals	0.4.3, 0.5.1

References

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