{"id":"CVE-2018-5744","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-5744","generatedAt":"2026-10-29T00:47:23.266Z","title":"A failure to free memory can occur when processing messages having a specific combination of EDNS options.","description":"A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.","published":"2019-10-09T16:15:14.000Z","lastModified":"2026-06-17T02:00:42.000Z","status":"Modified","sourceIdentifier":"security-officer@isc.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-772"],"affected":["isc/bind"],"epss":{"score":0.03381,"percentile":0.88719,"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 (3.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://kb.isc.org/docs/cve-2018-5744","tags":["Vendor Advisory"],"source":"security-officer@isc.org"},{"url":"https://kb.isc.org/docs/cve-2018-5744","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-5744","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."}