Red Hat Product Errata RHSA-2026:4828 - Security Advisory
Issued:
2026-03-17
Updated:
2026-03-17

RHSA-2026:4828 - Security Advisory

Synopsis

Moderate: mysql security update

Type/Severity

Security Advisory: Moderate

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for mysql is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.

Security Fix(es):

  • mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941)
  • mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948)
  • mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936)
  • mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)
  • mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937)
  • mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for x86_64 9 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux for ARM 64 9 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 9 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x

Fixes

  • BZ - 2431384 - CVE-2026-21941 mysql: Optimizer unspecified vulnerability (CPU Jan 2026)
  • BZ - 2431385 - CVE-2026-21948 mysql: Optimizer unspecified vulnerability (CPU Jan 2026)
  • BZ - 2431402 - CVE-2026-21936 mysql: InnoDB unspecified vulnerability (CPU Jan 2026)
  • BZ - 2431409 - CVE-2026-21968 mysql: Optimizer unspecified vulnerability (CPU Jan 2026)
  • BZ - 2431413 - CVE-2026-21937 mysql: DDL unspecified vulnerability (CPU Jan 2026)
  • BZ - 2431431 - CVE-2026-21964 mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026)

Red Hat Enterprise Linux for x86_64 9

SRPM
mysql-8.0.45-1.el9_7.src.rpm SHA-256: 03d56f7cb1f2bbc9f51b250045795567088d70c173db37302d9d18f553ca0d95
x86_64
mysql-8.0.45-1.el9_7.x86_64.rpm SHA-256: 1c8262e12a4b99a3e8c1d284ec8a2ecabeaf869133e87091dd21be48bbd58762
mysql-common-8.0.45-1.el9_7.x86_64.rpm SHA-256: 95312a1be8021fa58b38241e7bfa8d69f56b66a768f0ffb858828c482785464d
mysql-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 91bc07bfaaaa89839a5511db01d5144427bee785ffd82bd0f8b2d71c614db875
mysql-debugsource-8.0.45-1.el9_7.x86_64.rpm SHA-256: d6967e491e46b86935ede64c6cbbf3402feb1e0f318d087130f8ae078df4ce39
mysql-devel-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 9dd89e63b765d40b1f24d2d40a5988b76a28e7650048315d1df94bd8ff84f39b
mysql-errmsg-8.0.45-1.el9_7.x86_64.rpm SHA-256: a4dc0616218822bfaaf8a87670bfd0ec9d141dc96cb13eadfe4b68e3981af7dc
mysql-libs-8.0.45-1.el9_7.x86_64.rpm SHA-256: e80a930bb857decb997519e4ca495b87f9cf0d86c19e2e1339535bdba8f666df
mysql-libs-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 3f7f57c35c446225a6ed0ba51d993d2856fab4cda221647f84c52b742ae21800
mysql-server-8.0.45-1.el9_7.x86_64.rpm SHA-256: cee55171d1a66edab1632c248b032775038a417f30fc5ec9b89794561eeed9d6
mysql-server-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 95e0b49c884a71541555827838b4951db2c997530afc5bfabb5a724f3080bb54
mysql-test-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 898aa5acdb4c8601e6e177bf529b006da4fbeb5c39d137cbe3afa83109cc18ae

Red Hat Enterprise Linux for IBM z Systems 9

SRPM
mysql-8.0.45-1.el9_7.src.rpm SHA-256: 03d56f7cb1f2bbc9f51b250045795567088d70c173db37302d9d18f553ca0d95
s390x
mysql-8.0.45-1.el9_7.s390x.rpm SHA-256: 0f58b1d54f5b5e9d7e873d27f18619f2c983940af0d4b218de4607fc8eecea69
mysql-common-8.0.45-1.el9_7.s390x.rpm SHA-256: b6b95d34eada1a548d76848f241df1890e8b29ce0066e66905dc379a68000ce9
mysql-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: f602c1e45325ad2016751a57381b7ee285c7140b5ef2ddb7d41be4f5df565576
mysql-debugsource-8.0.45-1.el9_7.s390x.rpm SHA-256: c7a46c16fb966d785de06e531f08b29d636a9c89dfee78f9450b073798b52e29
mysql-devel-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: c27dc854a08c1bd028aea264181775d358e24fa93e218b21fec5b13baa3a6856
mysql-errmsg-8.0.45-1.el9_7.s390x.rpm SHA-256: 5a3036366ce9d541a6726f6d4831aa04715aa130656a102a5514a9864907b093
mysql-libs-8.0.45-1.el9_7.s390x.rpm SHA-256: b89f5a18ac565daac72842b2d77d6aa4d7abcf6f1621a8e4404bf466454ebd00
mysql-libs-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: e8a01c18ca3ae9dcf310ea0a4a853ac572f86789fb08d3885580c622d5f6c5da
mysql-server-8.0.45-1.el9_7.s390x.rpm SHA-256: 881bfa97475497f2f93dc6928425d5bb855bfe32f29e64a0b580f4d4d2aeae4e
mysql-server-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: 23c035423baa46e82e616fa8f9d564ffe248777ef91344fcf6c978dd005050b7
mysql-test-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: 1c7d4b303770c1806efb6293701b639caf3d2aa8c893a032b326ae344a0d3f90

Red Hat Enterprise Linux for Power, little endian 9

SRPM
mysql-8.0.45-1.el9_7.src.rpm SHA-256: 03d56f7cb1f2bbc9f51b250045795567088d70c173db37302d9d18f553ca0d95
ppc64le
mysql-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 3fcbadc645f74446ff5e8a6077917b2f3cdb663cfdfa90d0ebadeaf0901a4982
mysql-common-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 5ff3d36afa20aa051189370073a137bcbfd28099c87339c9ca83928e38a1930a
mysql-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 03c55ee7f788330150bb2022691f1660f2ff8c5e96feedc9cae6e120bc77994d
mysql-debugsource-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 87a7954eb3ce41df891d1faff7552c58a3f59090cca3b8239eea3151cadf6111
mysql-devel-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: b6643039ca1d996574e0f67b38a9544b89633b24034937c87322aa335c2cc07c
mysql-errmsg-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 08257581b73ea23fd29c8925db33f37195cb9914f5bd6054c22483d246b51c5b
mysql-libs-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 4fb3b9d3c22e5d6543a294a5ac1390d596b7797438d4bac823a3944677a82ee7
mysql-libs-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 5eccb3139efa1f252feb3e5d8d8978ad9f69121b72f6213e00b98a6191f391af
mysql-server-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 69dec74c4083b92e352b81e5286b6bb92041fb964728128c7f35fb97110eb5e9
mysql-server-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 8d837bc08ba06d91b9e1fd4a1af052deef72ce68d4df10ea76cd0b58b68d1934
mysql-test-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: e5d2228f9c4997c83a50c85fb8c77e7a7e8640999554ea7510ca7587d5ea735d

Red Hat Enterprise Linux for ARM 64 9

SRPM
mysql-8.0.45-1.el9_7.src.rpm SHA-256: 03d56f7cb1f2bbc9f51b250045795567088d70c173db37302d9d18f553ca0d95
aarch64
mysql-8.0.45-1.el9_7.aarch64.rpm SHA-256: 1f0a719fc0b0e169ac3ced8b1d26e80176b6ab0fef012dc5450d2c4f537f9d51
mysql-common-8.0.45-1.el9_7.aarch64.rpm SHA-256: d2b69d85baf75cb6968ab89e3d0cf8659548613cf08fdc873c7890ceed9e247d
mysql-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: ad9ffe2250c1f14c0321cd4d453f8b5e8fb8cb8c9eb8a72bdad4a37ceac3ab89
mysql-debugsource-8.0.45-1.el9_7.aarch64.rpm SHA-256: 710390e49b44b8899f4cd4b3fb509225ed1af6dcf5b16523e28f9d8d76ff0e23
mysql-devel-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: 3e1ec20b22b07b8f3e1919c1efd5b32b3641ad46ef525f5ad299296ae5f2c3d9
mysql-errmsg-8.0.45-1.el9_7.aarch64.rpm SHA-256: 45af1e01b2647a28592638a85ecc39173bf5b305e3c8687d0a2331ba82e2abb6
mysql-libs-8.0.45-1.el9_7.aarch64.rpm SHA-256: fc1fa45d917a78850f9aa7f5a7f74b159256e836676383dc5cc74105ce2e8473
mysql-libs-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: 8eb3797ebf251dd996a8649fe5f489578dbba749e83d09fccf36237537d46480
mysql-server-8.0.45-1.el9_7.aarch64.rpm SHA-256: 53b851108cd98005452c183d01e6364a46e6487bb1d414bc03c9d56bf261f969
mysql-server-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: b64509d4756a632cc9be3f6f2cc4cc2e5e87f4f9721f01c0fdf194cff8bc83e2
mysql-test-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: 4b626ce03b2f1202c8f32a8b837aa047216f96fe1de6a1e5674b11f19ebce61c

Red Hat CodeReady Linux Builder for x86_64 9

SRPM
x86_64
mysql-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 91bc07bfaaaa89839a5511db01d5144427bee785ffd82bd0f8b2d71c614db875
mysql-debugsource-8.0.45-1.el9_7.x86_64.rpm SHA-256: d6967e491e46b86935ede64c6cbbf3402feb1e0f318d087130f8ae078df4ce39
mysql-devel-8.0.45-1.el9_7.x86_64.rpm SHA-256: b9e2aa8c74297bef9ebb5f059038a90f47399cd4ff4da41caaa30ab72c364632
mysql-devel-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 9dd89e63b765d40b1f24d2d40a5988b76a28e7650048315d1df94bd8ff84f39b
mysql-libs-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 3f7f57c35c446225a6ed0ba51d993d2856fab4cda221647f84c52b742ae21800
mysql-server-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 95e0b49c884a71541555827838b4951db2c997530afc5bfabb5a724f3080bb54
mysql-test-8.0.45-1.el9_7.x86_64.rpm SHA-256: 6d18010d089dae78a7a9368e4e5b71e7303a59b5ec5d8c95941d9b10c047fc22
mysql-test-debuginfo-8.0.45-1.el9_7.x86_64.rpm SHA-256: 898aa5acdb4c8601e6e177bf529b006da4fbeb5c39d137cbe3afa83109cc18ae

Red Hat CodeReady Linux Builder for Power, little endian 9

SRPM
ppc64le
mysql-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 03c55ee7f788330150bb2022691f1660f2ff8c5e96feedc9cae6e120bc77994d
mysql-debugsource-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 87a7954eb3ce41df891d1faff7552c58a3f59090cca3b8239eea3151cadf6111
mysql-devel-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 68763de5b810b5b12359805c044edf460b2c1e56c3615d1ccc06076627f8f092
mysql-devel-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: b6643039ca1d996574e0f67b38a9544b89633b24034937c87322aa335c2cc07c
mysql-libs-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 5eccb3139efa1f252feb3e5d8d8978ad9f69121b72f6213e00b98a6191f391af
mysql-server-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: 8d837bc08ba06d91b9e1fd4a1af052deef72ce68d4df10ea76cd0b58b68d1934
mysql-test-8.0.45-1.el9_7.ppc64le.rpm SHA-256: c8d2abe3973f712b74ec61d37c0a1559706c414d5d8f22dfc9d34068d0a2e45e
mysql-test-debuginfo-8.0.45-1.el9_7.ppc64le.rpm SHA-256: e5d2228f9c4997c83a50c85fb8c77e7a7e8640999554ea7510ca7587d5ea735d

Red Hat CodeReady Linux Builder for ARM 64 9

SRPM
aarch64
mysql-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: ad9ffe2250c1f14c0321cd4d453f8b5e8fb8cb8c9eb8a72bdad4a37ceac3ab89
mysql-debugsource-8.0.45-1.el9_7.aarch64.rpm SHA-256: 710390e49b44b8899f4cd4b3fb509225ed1af6dcf5b16523e28f9d8d76ff0e23
mysql-devel-8.0.45-1.el9_7.aarch64.rpm SHA-256: 7a8e8ca7ada2d763a7c5d320d06e1b78768c6ddc977190b88a70b7c6fa2c88c1
mysql-devel-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: 3e1ec20b22b07b8f3e1919c1efd5b32b3641ad46ef525f5ad299296ae5f2c3d9
mysql-libs-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: 8eb3797ebf251dd996a8649fe5f489578dbba749e83d09fccf36237537d46480
mysql-server-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: b64509d4756a632cc9be3f6f2cc4cc2e5e87f4f9721f01c0fdf194cff8bc83e2
mysql-test-8.0.45-1.el9_7.aarch64.rpm SHA-256: 226f94ce1d8fb97942d4ef9415c417ad785ee43be9e4ffb4a62653bfdd9e4f76
mysql-test-debuginfo-8.0.45-1.el9_7.aarch64.rpm SHA-256: 4b626ce03b2f1202c8f32a8b837aa047216f96fe1de6a1e5674b11f19ebce61c

Red Hat CodeReady Linux Builder for IBM z Systems 9

SRPM
s390x
mysql-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: f602c1e45325ad2016751a57381b7ee285c7140b5ef2ddb7d41be4f5df565576
mysql-debugsource-8.0.45-1.el9_7.s390x.rpm SHA-256: c7a46c16fb966d785de06e531f08b29d636a9c89dfee78f9450b073798b52e29
mysql-devel-8.0.45-1.el9_7.s390x.rpm SHA-256: fe5a48629dd850ee796a380cd69c87f278dbc8c48fdd934e30b08d461a3db537
mysql-devel-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: c27dc854a08c1bd028aea264181775d358e24fa93e218b21fec5b13baa3a6856
mysql-libs-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: e8a01c18ca3ae9dcf310ea0a4a853ac572f86789fb08d3885580c622d5f6c5da
mysql-server-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: 23c035423baa46e82e616fa8f9d564ffe248777ef91344fcf6c978dd005050b7
mysql-test-8.0.45-1.el9_7.s390x.rpm SHA-256: 70d92d93d0b314d6519b0c9e836f1f89fdcf46e9e3a96bc108d397babf68983c
mysql-test-debuginfo-8.0.45-1.el9_7.s390x.rpm SHA-256: 1c7d4b303770c1806efb6293701b639caf3d2aa8c893a032b326ae344a0d3f90

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