{"action":"Upgrade rustc to 1.19.0+dfsg3-2 or later.","affected":[{"fixed":"1.19.0+dfsg3-2","introduced":"0"}],"component":"rustc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.19.0+dfsg3-2"],"id":"tcs_01M5NCBRWATB7HFMDCNFAZYYVC","modified_at":"2026-09-01T20:03:47.219060903Z","published_at":"2021-04-14T07:15:11.493Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-20004","https://security-tracker.debian.org/tracker/CVE-2017-20004"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-20004#Debian:13/rustc","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-20004"}],"summary":"In the standard library in Rust before 1.19.0, there is a synchronization problem in the MutexGuard object. MutexGuards can be used across threads with any types, allowing for memory safety issues thr"}