{"id":"CVE-2026-14677","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-14677","summary":"Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function…","details":"Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies.  This may execute arbitrary code as the operating system user running the database.  CVE-2026-6473 had fixed similar problems.  Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.","published":"2026-08-13T13:17:45.027","modified":"2026-08-14T05:16:56.787","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.postgresql.org/support/security/CVE-2026-14677/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T05:16:56.787"}}