{"id":"UBUNTU-CVE-2018-20993","details":"An issue was discovered in the yaml-rust crate before 0.4.1 for Rust. There is uncontrolled recursion during deserialization.","modified":"2026-01-20T17:01:15.455918Z","published":"2019-08-26T13:15:00Z","upstream":["CVE-2018-20993"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20993"},{"type":"REPORT","url":"https://rustsec.org/advisories/RUSTSEC-2018-0006.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20993"}],"affected":[{"package":{"name":"rust-yaml-rust","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/rust-yaml-rust@0.4.3-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.2-1","0.4.3-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.4.3-1","binary_name":"librust-yaml-rust-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20993.json"}},{"package":{"name":"rust-yaml-rust","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/rust-yaml-rust@0.4.5-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.3-1","0.4.5-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.4.5-1","binary_name":"librust-yaml-rust-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20993.json"}},{"package":{"name":"rust-yaml-rust","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/rust-yaml-rust@0.4.5-1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.4.5-1","binary_name":"librust-yaml-rust-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20993.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}