{"action":"Upgrade fcitx5 to 5.0.9-1 or later.","affected":[{"fixed":"5.0.9-1","introduced":"0"}],"component":"fcitx5","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.0.9-1"],"id":"tcs_01M5NFV3TFD267752A6J0TPTY5","modified_at":"2026-10-23T18:03:30.785943382Z","published_at":"2023-02-03T18:15:12.123Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-37311","https://security-tracker.debian.org/tracker/CVE-2021-37311"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-37311#Debian:14/fcitx5","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-37311"}],"summary":"Buffer Overflow vulnerability in fcitx5 5.0.8 allows attackers to cause a denial of service via crafted message to the application's listening port."}