CVE-2018-20993

7.5 highEPSS 1.4%

An issue was discovered in the yaml-rust crate before 0.4.1 for Rust. There is uncontrolled recursion during deserialization.

Severity

7.5 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-674
Published: 2019-08-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-hv87-47h9-jcvq	crates.io	yaml-rust	<0.4.1	0.4.1
RUSTSEC-2018-0006	crates.io	yaml-rust	>=0.0.0-0 <0.4.1	0.4.1