{"id":"CVE-2018-18582","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-18582","generatedAt":"2026-10-28T23:55:32.529Z","title":"It is a heap-based buffer overflow in insertByte in miniz/lupng.c during a write operation for data obtained from a palette.","description":"An issue has been found in LuPng through 2017-03-10. It is a heap-based buffer overflow in insertByte in miniz/lupng.c during a write operation for data obtained from a palette.","published":"2018-10-22T22:29:00.000Z","lastModified":"2026-06-17T01:47:33.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["lupng project/lupng"],"epss":{"score":0.01354,"percentile":0.71446,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/grandnew/software-vulnerabilities/tree/master/LuPng#heap-buffer-overflow-in-function-insertbyte59837","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/jansol/LuPng/issues/9","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/grandnew/software-vulnerabilities/tree/master/LuPng#heap-buffer-overflow-in-function-insertbyte59837","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/jansol/LuPng/issues/9","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-18582","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}