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Ред База Данных 5 - 5.3.0

09/04/2026

Changelog:

When migrating to this version, security database should be updated using the script misc/upgrade/security/security_database_5.3.sql

Update Kafka CDC connectors to 2.1.2.

• Implement connector in C++. RS-298662.

Update JavaEngine to JavaEngine to 2.0.4.

JavaEngine improvements:

• Verify loaded jar libraries with a trusted list. RS-295474.

JavaEngine fixes:

• Fix freezing when attempting to write log via symlink in windows. RS-320281.

Added

• Configuration parameters LDAPPassword[Env|File]. RS-310693.
• Trace parameter "print_info_tags" to put Vendor and Product name in trace. RS-286767, RS-286771, RS-286775.
• New isql argument -read_password to request password from a user interactively. RS-286738.
• Trace option "keep_rotated_logs" to auto-delete archived logs after a TTL. RS-286740.
• New setting AllowUpdateOverwrite: defines how UPDATE should handle the case when a record was updated by trigger. FB-8957.
• Replication parameter "block_compression_plugin" to compress replication block. RS-273963.
• New trace option "single_line" which allows to print trace records on a single line. RS-311695.
• New authentication method SrpArgon2id based on SRP protocol with Argon2id hashing. RS-314758.

Improved

• Ability to convert row in JSON object. RS-168804.
• Add a hash of the DB file name to trace records to create unique identifiers. RS-311365.
• Update EULA. RS-304387.
• Implement JSON methods number(), integer(), bigint(), string(), boolean() and datetime(). RS-284902, RS-284713, RS-288957.
• Add restore error/warning summary. RS-268449.
• PATH in JSON_TABLE is optional now. RS-259300.
• Update tzdata to version 2026c. FB-9097.
• ReadConsistency is per-database configurable. FB-9076.
• User privilege messages are collapsed into one message for each user. RS-310114.
• Apply local timezone to Creation date in gstat header page information. RS-309245.
• Compare new log replication messages using the hash instead of the message itself. RS-171404.
• Restrict access to PLG$PASSWD_HISTORY. Only privileged users can see other users' password history. RS-294915.
• Compression threads are now also logged. RS-262455.
• Add plugin files existance check in the plugin directory as part of the validation process. RS-268886.
• Mask password from create user statements in isql history. RS-286896.
• Bring back and improve pag_pageno validation. RS-314342.

Fixed

• Check that m_cursor has not been closed concurrently by attachment shutdown while fetching data from it. RS-323118.
• If a trusted user specifies an another login, check only the original user's policy. RS-319412.
• Databases alias fix. FB-9107.
• Heap buffer overflow. RS-305058, GHSA-x382-p7w7-wwpp.
• Rework queue clearing when handling exceptions in background writer replication thread. RS-294914.
• Add find and remove plugin in plugin visitor when occurs error in cleanupTransaction and setSequence. RS-146772.
• Disable replication if an exception occurs in the background writer thread. RS-294914.
• Use a unique file name when creating a new segment if a file with the same name already exists. RS-294914.
• Remove unused configuration parameter "LegacyHash". RS-268246.
• Strict check of a data page type when using cached data page numbers. RS-92275.
• Fix regression due to att_security_class being missing during database creation. Use lazy initialization and predefine the security class name.
• Use MAX_ULONG instead of UINT_MAX to match ULONG type of cstr_length.
• USE_NBACKUP_UTILITY allowed full ALTER DATABASE. RS-295299, GHSA-ph3g-gc8r-mjh5.
• Remove the control file after copy db from master in replmgr utility with -C flag. RS-229111.
• Release page lock after failed read during validation. RS-72076, RS-309545.
• FB4 XNET/local attach stack-overflows in fbclient (gds__log recursion) when the calling thread impersonates another user's token. FB-9094.
• Extend tempspace in safe way. FB-9030.
• Group validation warnings about orphan pages into a single message. RS-309545.
• Validate pointer page flags only if a data page was fetched and walked successfully. RS-309545.
• Validate the checksum of a page before checking its type. RS-309545.
• Do not try to validate a page if its type does not match the expected one. RS-309545.
• Fix orphan pages only if no errors were found during validation. RS-309545.
• Unprivileged user is not allowed to change the shadow options. RS-305416.
• Error creating unique expression index. FB-9081.
• Fix occurance advancing for regexp_substr. RS-281931.
• Wrong cursor ID for the second query in the procedure during profiling. FB-9079.
• Corrected value of "last_modified" field in REPLICATION_STATUS_JSON variable. RS-268666.
• Add escape special characters for connection string in get context REPLICATION_STATUS_JSON. RS-311893.
• Correct raise error when read journal file less than need. RS-306124.
• Fix server crash when read a malformed replication segment. FB-9055.
• Use correct SQL types for FB_DATE and FB_TIME. FB-9064.
• Weird violation of FOREIGN KEY for [var]binary datatype when PK and FK indices have opposite direction. FB-9059.
• Inline blobs (protocol 19): stale blob content returned on same-transaction re-read after blob id reuse. FB-9060.
• Allow disable replication in current attachment for SYSDBA and user with the RDB$SYSADMIN role only. RS-305412.
• Fix server crash when read a malformed replication segment. RS-305405.
• Client side memory leak on connect/disconnect cycles.
• Missing privilege checks for the COMMENT ON PARAMETER command on functions in packages. FB-8806.
• SIMILAR TO does not work with wildcard combined with OR operator. FB-9040.
• Set umask for generated ExtAuth.conf in keygen utility. RS-294968.
• Add escaping of archive command variables in the config. RS-294935.
• Fix security migrate script. RS-295578.
• Fix incorrect dsql pass of formatted column type. RS-282873.
• Memory leak when creating condition index. FB-9027.
• [JSON_TABLE] Fix invalid length calculation for text field. RS-282873.
• The message output buffer has been increased multiple times. RS-302036.
• Bugcheck if VIO_update_in_place tries to overwrite someone else's data.
• Fix invalid range checks for JSON numbers. RS-282633.
• Add libcrypto-3 to WOW64 for dependency of fbclient.
• DoS via incorrect length of blr_varying2 in blr code. RS-304000, GHSA-xvc2-pcx2-f465.
• Heap overflow. RS-301682, GHSA-45h8-2cf4-3qr4.
• Stack buffer overflow in decNumber. FB-9019.
• Fix segfault when passing invalid include path in fbtrace config via tracemgr. FB-9091.
• Errors in "include" operator in trace configuration. RS-304494.
• Return a proper error message instead of "decompression overran buffer" bugcheck when a record format is not found. RS-298879.
• Clamp gbak's parsed -par backup/restore value to config max workers value. RS-278115.