{"id":"CLEANSTART-2024-YP08801","summary":"xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence","details":"Security vulnerability affects the xterm package. xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.","modified":"2026-10-31T16:03:06.701511079Z","published":"2026-10-31T14:15:49.162295Z","upstream":["CVE-2021-27135"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-YP08801.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2021-27135"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27135"}],"affected":[{"package":{"name":"xterm","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xterm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"366-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-YP08801.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}