{"action":"Upgrade redmine to 5.0.0-1 or later.","affected":[{"fixed":"5.0.0-1","introduced":"0"}],"component":"redmine","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.0.0-1"],"id":"tcs_01M5NFP0AFP2FMZ7M0MEVR1P1Q","modified_at":"2026-10-23T18:03:26.570516964Z","published_at":"2021-04-28T07:15:07.663Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-31866","https://security-tracker.debian.org/tracker/CVE-2021-31866"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-31866#Debian:14/redmine","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-31866"}],"summary":"Redmine before 4.0.9 and 4.1.x before 4.1.3 allows an attacker to learn the values of internal authentication keys by observing timing differences in string comparison operations within SysController"}