{"id":"CVE-2025-4207","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-4207","generatedAt":"2026-10-28T04:44:52.789Z","title":"Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination.","description":"Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination.  This affects the database server and also libpq.  Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.","published":"2025-05-08T15:15:49.000Z","lastModified":"2026-06-17T09:32:46.000Z","status":"Deferred","sourceIdentifier":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","cvss":{"version":"3.1","score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-126"],"affected":[],"epss":{"score":0.00758,"percentile":0.55003,"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 (0.76%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.postgresql.org/support/security/CVE-2025-4207/","source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"},{"url":"http://www.openwall.com/lists/oss-security/2025/05/09/3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00011.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-4207","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."}