What is CVE-2018-20993?

CVE-2018-20993 is a high-severity vulnerability in Yaml-Rust Project, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2019-08-26.

How severe is CVE-2018-20993?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-20993 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Yaml-Rust Project

CVE-2018-20993

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

EPSS: 0.014 (69.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Yaml-rust_project Yaml-rust
N/a — versions n/a

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

Public proof-of-concept exploits

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20993?: CVE-2018-20993 is a high-severity vulnerability in Yaml-Rust Project, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2019-08-26.
How severe is CVE-2018-20993?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-20993 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.