{"id":"CLEANSTART-2025-AY16629","summary":"issue was discovered in the base64d function in the SMTP listener in Exim before 4","details":"Security vulnerability affects the exim package. An issue was discovered in the base64d function in the SMTP listener in Exim before 4.","modified":"2026-10-01T09:15:48.906368621Z","published":"2026-10-01T08:02:42.987856Z","upstream":["CVE-2018-6789"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2025/CLEANSTART-2025-AY16629.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2018-6789"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6789"}],"affected":[{"package":{"name":"exim","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.90.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-AY16629.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}