Fedora 42 MySQL 8.4.9 Critical ER_TOO_BIG_ROWSIZE Advisory 2026-a4e0e8211d
fedora
May 21, 2026
MySQL 8.4.9 Release notes: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-9.html Known issue: s390x-specific issue - zlib with DFLTCC compressed pages with low KEY_BLOCK_...
Summary
MySQL is a multi-user, multi-threaded SQL database server. MySQL is a
client/server implementation consisting of a server daemon (mysqld)
and many different client programs and libraries. The base package
contains the standard MySQL client programs and generic MySQL files.
Update Information:
MySQL 8.4.9 Release notes: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-9.html Known issue: s390x-specific issue - zlib with DFLTCC compressed pages with low KEY_BLOCK_SIZE values can cause ER_TOO_BIG_ROWSIZE errors in tables near the column count and their size limits.
Topics Covered
Change Log
* Wed May 6 2026 Michal Schorm
References
[ 1 ] Bug #2461060 - CVE-2026-21998 CVE-2026-22001 CVE-2026-22002 CVE-2026-22004 CVE-2026-22005 CVE-2026-22009 CVE-2026-22015 CVE-2026-22017 CVE-2026-34270 CVE-2026-34271 CVE-2026-34276 CVE-2026-34303 CVE-2026-34304 CVE-2026-34308 ... mysql8.4: various flaws [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2461060
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-a4e0e8211d' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Name: mysql8.4
Product: Fedora 42
Version: 8.4.9
Release: 1.fc42
URL: http://www.mysql.com
Summary: MySQL client programs and shared libraries
Topics Covered
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