{"id":"CVE-2026-102474","title":"A flaw was found in dash","summary":"A flaw was found in dash. The printf builtin reserves four bytes before converting a Unicode \\u or \\U escape, but the multi-byte token can need five or six bytes. A local user who can supply such an escape to dash printf or echo %b, incl…","severity":"medium","cvss":4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-787"],"vendor":"Red Hat","product":"dash","affected":["dash"],"published":"2026-09-29","updated":"2026-09-29","sourceUpdated":"2026-09-29T10:17:10.707","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102474","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-102474","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543004","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-29T09:30:49.084Z","slug":"CVE-2026-102474","body":"## Overview\n\nA flaw was found in dash. The printf builtin reserves four bytes before converting a Unicode \\u or \\U escape, but the multi-byte token can need five or six bytes. A local user who can supply such an escape to dash printf or echo %b, including through dash -c and a positional argument, can write one or two bytes past that reservation.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":22,"depthScoreParts":{"impact":22,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}