{"id":"CLEANSTART-2026-DF67461","summary":"Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU","details":"Security vulnerability affects the prometheus package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.","modified":"2026-06-22T09:45:08.565425317Z","published":"2026-06-10T01:03:24.802338Z","upstream":["CVE-2026-42504"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-DF67461.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-42504"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42504"}],"affected":[{"package":{"name":"prometheus","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.3-r2"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-DF67461.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}