{"id":"CVE-2026-6843","title":"A flaw was found in nano","summary":"A flaw was found in nano. A local user could exploit a format string vulnerability in the `statusline()` function. By creating a directory with a name containing `printf` specifiers, the application attempts to display this name, leading…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-134"],"vendor":"gnu","product":"nano","affected":["nano = 8.7","openshift_container_platform = 4.0","enterprise_linux = 6.0","enterprise_linux = 7.0","enterprise_linux = 8.0","enterprise_linux = 9.0","enterprise_linux = 10.0"],"published":"2026-04-22","updated":"2026-08-31","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-6843","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-6843","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2460017","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00108,"epssPercentile":0.01332,"ingestedAt":"2026-08-31T16:10:59.885Z","slug":"CVE-2026-6843","body":"## Overview\n\nA flaw was found in nano. A local user could exploit a format string vulnerability in the `statusline()` function. By creating a directory with a name containing `printf` specifiers, the application attempts to display this name, leading to a segmentation fault (SEGV). This results in a Denial of Service (DoS) for the `nano` application.\n\n## Affected\n\n- `nano = 8.7`\n- `openshift_container_platform = 4.0`\n- `enterprise_linux = 6.0`\n- `enterprise_linux = 7.0`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n- `enterprise_linux = 10.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}