{"id":"CVE-2017-15897","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15897","generatedAt":"2026-10-28T21:19:57.135Z","title":"Node.js had a bug in versions 8.X and 9.X which caused buffers to not be initialized when the encoding for the fill value did not match the encoding specified.","description":"Node.js had a bug in versions 8.X and 9.X which caused buffers to not be initialized when the encoding for the fill value did not match the encoding specified. For example, 'Buffer.alloc(0x100, \"This is not correctly encoded\", \"hex\");' The buffer implementation was updated such that the buffer will be initialized to all zeros in these cases.","published":"2017-12-11T21:29:01.000Z","lastModified":"2026-06-17T01:08:27.000Z","status":"Modified","sourceIdentifier":"cve-request@iojs.org","cvss":{"version":"3.1","score":3.1,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-665"],"affected":["nodejs/node.js"],"epss":{"score":0.02322,"percentile":0.83381,"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":"low","text":"Lower severity and a low EPSS score (2.32%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/december-2017-security-releases/","tags":["Issue Tracking","Vendor Advisory"],"source":"cve-request@iojs.org"},{"url":"https://nodejs.org/en/blog/vulnerability/december-2017-security-releases/","tags":["Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15897","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."}