{"action":"Upgrade net-imap to 0.2.5 or later.","affected":[{"fixed":"0.5.7","introduced":"0.5.0"},{"fixed":"0.4.20","introduced":"0.4.0"},{"fixed":"0.3.9","introduced":"0.3.0"},{"fixed":"0.2.5","introduced":"0"}],"component":"net-imap","cve_ids":["CVE-2025-43857"],"ecosystem":"RubyGems","epss":0.00494,"exploited":false,"fixed_versions":["0.5.7","0.4.20","0.3.9","0.2.5"],"ghsa_id":"GHSA-j3g3-5qv5-52mj","id":"tcs_01M5KEKRJGWZF9FADHHBXFXTM5","modified_at":"2026-09-10T03:50:57.269254106Z","published_at":"2025-04-28T14:17:32Z","references":["https://osv.dev/vulnerability/GHSA-j3g3-5qv5-52mj","https://github.com/ruby/net-imap/security/advisories/GHSA-j3g3-5qv5-52mj","https://nvd.nist.gov/vuln/detail/CVE-2025-43857","https://github.com/ruby/net-imap/pull/442","https://github.com/ruby/net-imap/pull/444","https://github.com/ruby/net-imap/pull/444/commits/0ae8576c1a90bcd9573f81bdad4b4b824642d105#diff-53721cb4d9c3fb86b95cc8476ca2df90968ad8c481645220c607034399151462","https://github.com/ruby/net-imap/pull/445","https://github.com/ruby/net-imap/pull/446","https://github.com/ruby/net-imap/pull/447","https://github.com/ruby/net-imap","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/net-imap/CVE-2025-43857.yml"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-j3g3-5qv5-52mj","url":"https://osv.dev/vulnerability/GHSA-j3g3-5qv5-52mj"},{"source":"nvd","source_id":"CVE-2025-43857","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43857"}],"summary":"net-imap rubygem vulnerable to possible DoS by memory exhaustion"}