{"id":"ALPINE-CVE-2025-12818","details":"Integer wraparound in multiple PostgreSQL libpq client library functions allows an application input provider or network peer to cause libpq to undersize an allocation and write out-of-bounds by hundreds of megabytes.  This results in a segmentation fault for the application using libpq.  Versions before PostgreSQL 18.1, 17.7, 16.11, 15.15, 14.20, and 13.23 are affected.","modified":"2026-08-27T22:18:02.770761747Z","published":"2025-11-13T13:15:45.313Z","upstream":["CVE-2025-12818"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2025-12818"}],"affected":[{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.15-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.15-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.11-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.11-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.11-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.11-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql17","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/postgresql17?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"17.7-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql17","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/postgresql17?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"17.7-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql17","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/postgresql17?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"17.7-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql17","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/postgresql17?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"17.7-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql18","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/postgresql18?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}},{"package":{"name":"postgresql18","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/postgresql18?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-12818.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}