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pg_partman is a PostgreSQL extension that manages partitioned tables by time or ID. Prior to 5.5.0, create_partition_time() reads the writable part_config.time_encoder text value and interpolates it without identifier quoting into a dynamically executed SELECT statement. A role with the documented partman_user INSERT and UPDATE privileges can store SQL rather than a function name. When pg_partman_bgw later creates a child partition for a text- or UUID-keyed set, the worker executes the stored SQL with pg_partman_bgw.role privileges, which default to PostgreSQL superuser. The persistent configuration row can repeatedly restore elevated access on later maintenance ticks, and successful exploitation can permit database-wide compromise and operating-system command execution as the PostgreSQL service account. This issue is fixed in version 5.5.0.

pg_partman is a PostgreSQL extension that manages partitioned tables by time or ID. Prior to 5.5.0, create_partition_time() reads the writable part_config.time_encoder text value and interpolates it without identifier quoting into a dynamically executed SELECT statement. A role with the documented partman_user INSERT and UPDATE privileges can store SQL rather than a function name. When pg_partman_bgw later creates a child partition for a text- or UUID-keyed set, the worker executes the stored SQL with pg_partman_bgw.role privileges, which default to PostgreSQL superuser. The persistent configuration row can repeatedly restore elevated access on later maintenance ticks, and successful exploitation can permit database-wide compromise and operating-system command execution as the PostgreSQL service account. This issue is fixed in version 5.5.0.

pg_partman is a PostgreSQL extension that manages partitioned tables by time or ID. Prior to 5.5.0, create_partition_time() reads the writable part_config.time_encoder text value and interpolates it without identifier quoting into a dynamically executed SELECT statement. A role with the documented partman_user INSERT and UPDATE privileges can store SQL rather than a function name. When pg_partman_bgw later creates a child partition for a text- or UUID-keyed set, the worker executes the stored SQL with pg_partman_bgw.role privileges, which default to PostgreSQL superuser. The persistent configuration row can repeatedly restore elevated access on later maintenance ticks, and successful exploitation can permit database-wide compromise and operating-system command execution as the PostgreSQL service account. This issue is fixed in version 5.5.0.

pg_partman is a PostgreSQL extension that manages partitioned tables b ...

ALT-PU-2026-11787: package `postgresql15-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11786: package `postgresql16-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11785: package `postgresql14-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11783: package `postgresql17-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11427: package `postgresql18-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11426: package `postgresql15-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11425: package `postgresql14-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11424: package `postgresql17-pg_partman` update to version 5.5.0-alt1

ALT-PU-2026-11422: package `postgresql16-pg_partman` update to version 5.5.0-alt1