{"id":"CVE-2017-13734","title":"There is an illegal address access in the _nc_safe_strcat function in strings.c in ncurses 6.0 that will lead to a remote denial of service attack.","summary":"There is an illegal address access in the _nc_safe_strcat function in strings.c in ncurses 6.0 that will lead to a remote denial of service attack.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-119"],"vendor":"invisible-island","product":"ncurses","affected":["ncurses = 6.0"],"published":"2017-08-29","updated":"2026-07-23","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2017-13734","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1484291","label":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201804-13","label":"cve@mitre.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1484291","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201804-13","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.02378,"epssPercentile":0.82988,"ingestedAt":"2026-07-23T19:19:13.015Z","slug":"CVE-2017-13734","body":"## Overview\n\nThere is an illegal address access in the _nc_safe_strcat function in strings.c in ncurses 6.0 that will lead to a remote denial of service attack.\n\n## Affected\n\n- `ncurses = 6.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.5,"exploitation":0,"ransomware":0},"changes":[]}