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Red Hat Product Errata RHBA-2026:18686 - Bug Fix Advisory
Issued:
2026-05-19
Updated:
2026-05-19

RHBA-2026:18686 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

mksh bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

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

Description

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from 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 x86_64 - Extended Update Support 9.8 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 s390x
  • Red Hat Enterprise Linux for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 9 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 aarch64
  • Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 ppc64le
  • Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 s390x

Fixes

(none)

CVEs

(none)

References

  • https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.8_release_notes/index
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 9

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
x86_64
mksh-59c-6.el9.x86_64.rpm SHA-256: f4b91ec69f5e534f7a827c915ae273f299d619302b0520be2cc0513cc438adfb
mksh-debuginfo-59c-6.el9.x86_64.rpm SHA-256: d5683ef3d65a20b7ae47039576a823b07f583d3d953cbe8333bb0f1b93e1feb2
mksh-debugsource-59c-6.el9.x86_64.rpm SHA-256: 04bbc8b0c998a51a72c08229a0915b2abaecd5587ee39a21e74ed52fd1550813

Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
x86_64
mksh-59c-6.el9.x86_64.rpm SHA-256: f4b91ec69f5e534f7a827c915ae273f299d619302b0520be2cc0513cc438adfb
mksh-debuginfo-59c-6.el9.x86_64.rpm SHA-256: d5683ef3d65a20b7ae47039576a823b07f583d3d953cbe8333bb0f1b93e1feb2
mksh-debugsource-59c-6.el9.x86_64.rpm SHA-256: 04bbc8b0c998a51a72c08229a0915b2abaecd5587ee39a21e74ed52fd1550813

Red Hat Enterprise Linux for IBM z Systems 9

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
s390x
mksh-59c-6.el9.s390x.rpm SHA-256: 2f3c237d5e7942853bc47710ea0912d76d90d20219f066251d14203dd1907c72
mksh-debuginfo-59c-6.el9.s390x.rpm SHA-256: 6985dc3eb07b6174c227df61f503154c10109f28a9f478ad1cf0ca43e3def3c9
mksh-debugsource-59c-6.el9.s390x.rpm SHA-256: 35bd536a9e6a177089bb82ac6ef35627987b62d0f1b47126308e3d24c6be0e0a

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
s390x
mksh-59c-6.el9.s390x.rpm SHA-256: 2f3c237d5e7942853bc47710ea0912d76d90d20219f066251d14203dd1907c72
mksh-debuginfo-59c-6.el9.s390x.rpm SHA-256: 6985dc3eb07b6174c227df61f503154c10109f28a9f478ad1cf0ca43e3def3c9
mksh-debugsource-59c-6.el9.s390x.rpm SHA-256: 35bd536a9e6a177089bb82ac6ef35627987b62d0f1b47126308e3d24c6be0e0a

Red Hat Enterprise Linux for Power, little endian 9

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
ppc64le
mksh-59c-6.el9.ppc64le.rpm SHA-256: 0d2177bb0eccd6fa7df2567baad7becbb8787e80c103faf33bf1532cd81e883d
mksh-debuginfo-59c-6.el9.ppc64le.rpm SHA-256: 789e9128f7b0031a63605ed04dfa3941c8289fe13999e4dacf74222a2486c072
mksh-debugsource-59c-6.el9.ppc64le.rpm SHA-256: c232537aa6c71ae7f5002d9db4052a93625cd602c5da6c40d8fc120cb820e292

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
ppc64le
mksh-59c-6.el9.ppc64le.rpm SHA-256: 0d2177bb0eccd6fa7df2567baad7becbb8787e80c103faf33bf1532cd81e883d
mksh-debuginfo-59c-6.el9.ppc64le.rpm SHA-256: 789e9128f7b0031a63605ed04dfa3941c8289fe13999e4dacf74222a2486c072
mksh-debugsource-59c-6.el9.ppc64le.rpm SHA-256: c232537aa6c71ae7f5002d9db4052a93625cd602c5da6c40d8fc120cb820e292

Red Hat Enterprise Linux for ARM 64 9

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
aarch64
mksh-59c-6.el9.aarch64.rpm SHA-256: 1f7040f1d21618441483b599cafbfa0cb957e7ccc4d400c28b441236ce4eca43
mksh-debuginfo-59c-6.el9.aarch64.rpm SHA-256: 3d5809b0b37d26cb19ccb7a47668e9b02ef2227021541f996a86ff88417dc255
mksh-debugsource-59c-6.el9.aarch64.rpm SHA-256: bedc4ae8f5c52c42b890e84ac713809a2029e95e7126b6e3406513e103d9ec4f

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
aarch64
mksh-59c-6.el9.aarch64.rpm SHA-256: 1f7040f1d21618441483b599cafbfa0cb957e7ccc4d400c28b441236ce4eca43
mksh-debuginfo-59c-6.el9.aarch64.rpm SHA-256: 3d5809b0b37d26cb19ccb7a47668e9b02ef2227021541f996a86ff88417dc255
mksh-debugsource-59c-6.el9.aarch64.rpm SHA-256: bedc4ae8f5c52c42b890e84ac713809a2029e95e7126b6e3406513e103d9ec4f

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
ppc64le
mksh-59c-6.el9.ppc64le.rpm SHA-256: 0d2177bb0eccd6fa7df2567baad7becbb8787e80c103faf33bf1532cd81e883d
mksh-debuginfo-59c-6.el9.ppc64le.rpm SHA-256: 789e9128f7b0031a63605ed04dfa3941c8289fe13999e4dacf74222a2486c072
mksh-debugsource-59c-6.el9.ppc64le.rpm SHA-256: c232537aa6c71ae7f5002d9db4052a93625cd602c5da6c40d8fc120cb820e292

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
x86_64
mksh-59c-6.el9.x86_64.rpm SHA-256: f4b91ec69f5e534f7a827c915ae273f299d619302b0520be2cc0513cc438adfb
mksh-debuginfo-59c-6.el9.x86_64.rpm SHA-256: d5683ef3d65a20b7ae47039576a823b07f583d3d953cbe8333bb0f1b93e1feb2
mksh-debugsource-59c-6.el9.x86_64.rpm SHA-256: 04bbc8b0c998a51a72c08229a0915b2abaecd5587ee39a21e74ed52fd1550813

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
aarch64
mksh-59c-6.el9.aarch64.rpm SHA-256: 1f7040f1d21618441483b599cafbfa0cb957e7ccc4d400c28b441236ce4eca43
mksh-debuginfo-59c-6.el9.aarch64.rpm SHA-256: 3d5809b0b37d26cb19ccb7a47668e9b02ef2227021541f996a86ff88417dc255
mksh-debugsource-59c-6.el9.aarch64.rpm SHA-256: bedc4ae8f5c52c42b890e84ac713809a2029e95e7126b6e3406513e103d9ec4f

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
s390x
mksh-59c-6.el9.s390x.rpm SHA-256: 2f3c237d5e7942853bc47710ea0912d76d90d20219f066251d14203dd1907c72
mksh-debuginfo-59c-6.el9.s390x.rpm SHA-256: 6985dc3eb07b6174c227df61f503154c10109f28a9f478ad1cf0ca43e3def3c9
mksh-debugsource-59c-6.el9.s390x.rpm SHA-256: 35bd536a9e6a177089bb82ac6ef35627987b62d0f1b47126308e3d24c6be0e0a

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
x86_64
mksh-59c-6.el9.x86_64.rpm SHA-256: f4b91ec69f5e534f7a827c915ae273f299d619302b0520be2cc0513cc438adfb
mksh-debuginfo-59c-6.el9.x86_64.rpm SHA-256: d5683ef3d65a20b7ae47039576a823b07f583d3d953cbe8333bb0f1b93e1feb2
mksh-debugsource-59c-6.el9.x86_64.rpm SHA-256: 04bbc8b0c998a51a72c08229a0915b2abaecd5587ee39a21e74ed52fd1550813

Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
aarch64
mksh-59c-6.el9.aarch64.rpm SHA-256: 1f7040f1d21618441483b599cafbfa0cb957e7ccc4d400c28b441236ce4eca43
mksh-debuginfo-59c-6.el9.aarch64.rpm SHA-256: 3d5809b0b37d26cb19ccb7a47668e9b02ef2227021541f996a86ff88417dc255
mksh-debugsource-59c-6.el9.aarch64.rpm SHA-256: bedc4ae8f5c52c42b890e84ac713809a2029e95e7126b6e3406513e103d9ec4f

Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
ppc64le
mksh-59c-6.el9.ppc64le.rpm SHA-256: 0d2177bb0eccd6fa7df2567baad7becbb8787e80c103faf33bf1532cd81e883d
mksh-debuginfo-59c-6.el9.ppc64le.rpm SHA-256: 789e9128f7b0031a63605ed04dfa3941c8289fe13999e4dacf74222a2486c072
mksh-debugsource-59c-6.el9.ppc64le.rpm SHA-256: c232537aa6c71ae7f5002d9db4052a93625cd602c5da6c40d8fc120cb820e292

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8

SRPM
mksh-59c-6.el9.src.rpm SHA-256: 4ddf64dd4a3ccb816d5250a6e8170ec91c751710e68f4df5878b1ded0cac0771
s390x
mksh-59c-6.el9.s390x.rpm SHA-256: 2f3c237d5e7942853bc47710ea0912d76d90d20219f066251d14203dd1907c72
mksh-debuginfo-59c-6.el9.s390x.rpm SHA-256: 6985dc3eb07b6174c227df61f503154c10109f28a9f478ad1cf0ca43e3def3c9
mksh-debugsource-59c-6.el9.s390x.rpm SHA-256: 35bd536a9e6a177089bb82ac6ef35627987b62d0f1b47126308e3d24c6be0e0a

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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