{"affected":[{"defaultStatus":"unaffected","product":"PostgreSQL","source":"CNA: PostgreSQL","vendor":"n/a","versions":[{"lessThan":"18.7","status":"affected","version":"18","versionType":"rpm"},{"lessThan":"17.12","status":"affected","version":"17","versionType":"rpm"},{"lessThan":"16.16","status":"affected","version":"16","versionType":"rpm"}]}],"cveId":"CVE-2026-116328","cwes":["CWE-190"],"description":"Integer wraparound in PostgreSQL generation memory contexts allows a database user to execute arbitrary code as the operating system user running the database, via freeing an allocation larger than 1 GB and causing its block to be reused for smaller chunks whose back-pointer offset cannot represent that position.  Within major versions 16-18, minor versions before PostgreSQL 18.7, 17.12, and 16.16 are affected.  Versions before PostgreSQL 16 are unaffected.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: PostgreSQL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794492916239,"publishedAt":1794492916239,"references":[{"source":"CNA: PostgreSQL","tags":[],"url":"https://www.postgresql.org/support/security/CVE-2026-116328/"}],"remediation":[],"revision":"0b7eee2143a4de25e4f51ec0046100a6617a70af2247da5cfc16f416c7d1a34a","sources":[{"modifiedAt":1794492916239,"name":"CNA: PostgreSQL","retrievedAt":1794496185694,"url":"https://www.cve.org/CVERecord?id=CVE-2026-116328"}],"ssvc":null,"status":"published","title":"PostgreSQL generation memory context integer wraparound executes arbitrary code","updatedAt":1794496185694}