{"id":"CVE-2025-31177","title":"gnuplot is affected by a heap buffer overflow at function utf8_copy_one.","summary":"gnuplot is affected by a heap buffer overflow at function utf8_copy_one.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-122"],"vendor":"gnuplot","product":"gnuplot","affected":["gnuplot = 6.1.0"],"published":"2025-05-07","updated":"2026-06-26","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-31177","references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-31177","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2355342","label":"secalert@redhat.com"},{"url":"https://sourceforge.net/p/gnuplot/bugs/2756/","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00199,"epssPercentile":0.09958,"ingestedAt":"2026-06-26T16:43:13.603Z","slug":"CVE-2025-31177","body":"## Overview\n\ngnuplot is affected by a heap buffer overflow at function utf8_copy_one.\n\n## Affected\n\n- `gnuplot = 6.1.0`\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":[]}