Security update for postgresql14

Security update for postgresql14

Security update for postgresql15

Security update for postgresql14

Security update for postgresql15

Security update for postgresql15

Security update for postgresql16

Security update for postgresql16

Security update for postgresql16

Security update for postgresql16

Security update for postgresql17

Security update for postgresql17

Security update for postgresql17

Security update for postgresql18

Security update for postgresql18

Security update for postgresql18

Security update for postgresql18

ELSA-2026-27742: postgresql18 security update (IMPORTANT)

Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation fault. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation fault. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.