{"action":"Upgrade protobuf to 3.21.9-3 or later.","affected":[{"fixed":"3.21.9-3","introduced":"0"}],"component":"protobuf","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.21.9-3"],"id":"tcs_01M5NFE6FEHA9QAA3GCW225VNQ","modified_at":"2026-10-23T18:03:11.677491619Z","published_at":"2022-01-26T14:15:08.067Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-22570","https://security-tracker.debian.org/tracker/CVE-2021-22570"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-22570","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-22570"}],"summary":"Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the proto file's name during generation of the resulting error me"}