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Уязвимость компонента GSSAPI системы управления базами данных PostgreSQL, связанная с ошибками смешения типов данных, позволяющая нарушителю проводить атаки типа "человек посередине"

Уязвимость postgresql18

Уязвимость postgresql17

Уязвимость postgresql18

Уязвимость postgresql17

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection. Despite a pg_hba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS settings are more permissive than the GSS settings, the connection may continue with lesser protection. Within major versions 17-18, minor versions before PostgreSQL 18.6 and 17.11 are affected. Versions before PostgreSQL 17 are unaffected.

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection. Despite a pg_hba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS settings are more permissive than the GSS settings, the connection may continue with lesser protection. Within major versions 17-18, minor versions before PostgreSQL 18.5 and 17.11 are affected. Versions before PostgreSQL 17 are unaffected.

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection. Despite a pg_hba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS settings are more permissive than the GSS settings, the connection may continue with lesser protection. Within major versions 17-18, minor versions before PostgreSQL 18.6 and 17.11 are affected. Versions before PostgreSQL 17 are unaffected.

Improper enforcement of message integrity in PostgreSQL GSSAPI support ...

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection. Despite a pg_hba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS settings are more permissive than the GSS settings, the connection may continue with lesser protection. Within major versions 17-18, minor versions before PostgreSQL 18.5 and 17.11 are affected. Versions before PostgreSQL 17 are unaffected.

ALT-PU-2026-13836: package `postgresql15-1C` update to version 15.18-alt0.p10.2

ALT-PU-2026-13504: package `postgresql15` update to version 15.19-alt0.p10.1

ALT-PU-2026-13503: package `postgresql16` update to version 16.15-alt0.p10.1

ALT-PU-2026-13502: package `postgresql14` update to version 14.24-alt0.p10.1

ALT-PU-2026-13500: package `postgresql17` update to version 17.11-alt0.p10.1

ALT-PU-2026-13497: package `postgresql18-1C` update to version 18.4-alt5

ALT-PU-2026-13495: package `postgresql17-1C` update to version 17.10-alt0.p11.3

ALT-PU-2026-13119: package `postgresql17` update to version 17.11-alt1

ALT-PU-2026-13118: package `postgresql15` update to version 15.19-alt1

ALT-PU-2026-13117: package `postgresql14` update to version 14.24-alt1