Red Hat Product Errata RHBA-2026:18168 - Bug Fix Advisory
Issued:
2026-05-19
Updated:
2026-05-19

RHBA-2026:18168 - Bug Fix Advisory

Synopsis

log4cplus 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 log4cplus is now available for Red Hat Enterprise Linux 10.

Description

For detailed information on changes in this release, see the Red Hat Enterprise Linux 10 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 10 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 10 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x
  • Red Hat Enterprise Linux for Power, little endian 10 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le
  • Red Hat Enterprise Linux for ARM 64 10 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 10 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 10 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x
  • Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2 ppc64le
  • Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2 s390x
  • Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2 aarch64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x
  • Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le
  • Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64
  • Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le
  • Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x

Fixes

(none)

CVEs

(none)

Red Hat Enterprise Linux for x86_64 10

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
x86_64
log4cplus-2.1.1-10.el10.x86_64.rpm SHA-256: de1336d6eed57cb56cb987b52a733ca520bc74f5b40b8225649b7dac7ad45eb8
log4cplus-debuginfo-2.1.1-10.el10.x86_64.rpm SHA-256: 9789544f5b029bb5f84fc8152bf97c94ea0a68616ea9081c4b8458f338574d2f
log4cplus-debugsource-2.1.1-10.el10.x86_64.rpm SHA-256: 8a5b54160a0c56fc4baa23b7562236bf53ada5c73626ca2832a513ea50da86d3

Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
x86_64
log4cplus-2.1.1-10.el10.x86_64.rpm SHA-256: de1336d6eed57cb56cb987b52a733ca520bc74f5b40b8225649b7dac7ad45eb8
log4cplus-debuginfo-2.1.1-10.el10.x86_64.rpm SHA-256: 9789544f5b029bb5f84fc8152bf97c94ea0a68616ea9081c4b8458f338574d2f
log4cplus-debugsource-2.1.1-10.el10.x86_64.rpm SHA-256: 8a5b54160a0c56fc4baa23b7562236bf53ada5c73626ca2832a513ea50da86d3

Red Hat Enterprise Linux for IBM z Systems 10

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
s390x
log4cplus-2.1.1-10.el10.s390x.rpm SHA-256: 4c5f61efe370c67daadec2bf5d29f3ad946ce66f11992651c20ad8ea7b347f0b
log4cplus-debuginfo-2.1.1-10.el10.s390x.rpm SHA-256: b3bab3833aa44bedfadeab5da028b92a6589c82493ddde8edd7a5d94d581ffba
log4cplus-debugsource-2.1.1-10.el10.s390x.rpm SHA-256: fb9f5d40ed51801d16f8cfdc600f82179af1b71f446d7b5311600df3a6c9825b

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
s390x
log4cplus-2.1.1-10.el10.s390x.rpm SHA-256: 4c5f61efe370c67daadec2bf5d29f3ad946ce66f11992651c20ad8ea7b347f0b
log4cplus-debuginfo-2.1.1-10.el10.s390x.rpm SHA-256: b3bab3833aa44bedfadeab5da028b92a6589c82493ddde8edd7a5d94d581ffba
log4cplus-debugsource-2.1.1-10.el10.s390x.rpm SHA-256: fb9f5d40ed51801d16f8cfdc600f82179af1b71f446d7b5311600df3a6c9825b

Red Hat Enterprise Linux for Power, little endian 10

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
ppc64le
log4cplus-2.1.1-10.el10.ppc64le.rpm SHA-256: 0a8ca3cdb1db520ef2b29209855459b02a0003cd8cba69e8f2493ded0681925b
log4cplus-debuginfo-2.1.1-10.el10.ppc64le.rpm SHA-256: 2988b54ff8177f242b9a312c3dd3bb4df6648d1df0ac71315798e7e3def229df
log4cplus-debugsource-2.1.1-10.el10.ppc64le.rpm SHA-256: 77f72b6b271021a3ce2d6a94166f8b7eb2effb7c9038838d8600c51fdd155d2c

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
ppc64le
log4cplus-2.1.1-10.el10.ppc64le.rpm SHA-256: 0a8ca3cdb1db520ef2b29209855459b02a0003cd8cba69e8f2493ded0681925b
log4cplus-debuginfo-2.1.1-10.el10.ppc64le.rpm SHA-256: 2988b54ff8177f242b9a312c3dd3bb4df6648d1df0ac71315798e7e3def229df
log4cplus-debugsource-2.1.1-10.el10.ppc64le.rpm SHA-256: 77f72b6b271021a3ce2d6a94166f8b7eb2effb7c9038838d8600c51fdd155d2c

Red Hat Enterprise Linux for ARM 64 10

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
aarch64
log4cplus-2.1.1-10.el10.aarch64.rpm SHA-256: 9f03d2fb4c85744c83467b5022caa750249f6214bbdefb8ab29fe810f18f2944
log4cplus-debuginfo-2.1.1-10.el10.aarch64.rpm SHA-256: 9f3dc79469f28959b179d7fda49c7b169d8ca17b6e98307340f6332479ff6837
log4cplus-debugsource-2.1.1-10.el10.aarch64.rpm SHA-256: f2895238cb40086a0e6d33b5ccb2bb23737b415b1c11e9ca3c23fb27dd4b30b6

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
aarch64
log4cplus-2.1.1-10.el10.aarch64.rpm SHA-256: 9f03d2fb4c85744c83467b5022caa750249f6214bbdefb8ab29fe810f18f2944
log4cplus-debuginfo-2.1.1-10.el10.aarch64.rpm SHA-256: 9f3dc79469f28959b179d7fda49c7b169d8ca17b6e98307340f6332479ff6837
log4cplus-debugsource-2.1.1-10.el10.aarch64.rpm SHA-256: f2895238cb40086a0e6d33b5ccb2bb23737b415b1c11e9ca3c23fb27dd4b30b6

Red Hat CodeReady Linux Builder for x86_64 10

SRPM
x86_64
log4cplus-debuginfo-2.1.1-10.el10.x86_64.rpm SHA-256: 9789544f5b029bb5f84fc8152bf97c94ea0a68616ea9081c4b8458f338574d2f
log4cplus-debugsource-2.1.1-10.el10.x86_64.rpm SHA-256: 8a5b54160a0c56fc4baa23b7562236bf53ada5c73626ca2832a513ea50da86d3
log4cplus-devel-2.1.1-10.el10.x86_64.rpm SHA-256: 8d4552edca8e35bbda1e4f73d5fd812ff837a74a8c11b2df8316e2260cb9513c

Red Hat CodeReady Linux Builder for Power, little endian 10

SRPM
ppc64le
log4cplus-debuginfo-2.1.1-10.el10.ppc64le.rpm SHA-256: 2988b54ff8177f242b9a312c3dd3bb4df6648d1df0ac71315798e7e3def229df
log4cplus-debugsource-2.1.1-10.el10.ppc64le.rpm SHA-256: 77f72b6b271021a3ce2d6a94166f8b7eb2effb7c9038838d8600c51fdd155d2c
log4cplus-devel-2.1.1-10.el10.ppc64le.rpm SHA-256: 5092b8b6ace561be2181952d86adc268caff5fb29aee2585378946290851e132

Red Hat CodeReady Linux Builder for ARM 64 10

SRPM
aarch64
log4cplus-debuginfo-2.1.1-10.el10.aarch64.rpm SHA-256: 9f3dc79469f28959b179d7fda49c7b169d8ca17b6e98307340f6332479ff6837
log4cplus-debugsource-2.1.1-10.el10.aarch64.rpm SHA-256: f2895238cb40086a0e6d33b5ccb2bb23737b415b1c11e9ca3c23fb27dd4b30b6
log4cplus-devel-2.1.1-10.el10.aarch64.rpm SHA-256: 7af431a026e4a2a8172600d3dfc6fd37c275f41ea33b7e041576a79b4da729f1

Red Hat CodeReady Linux Builder for IBM z Systems 10

SRPM
s390x
log4cplus-debuginfo-2.1.1-10.el10.s390x.rpm SHA-256: b3bab3833aa44bedfadeab5da028b92a6589c82493ddde8edd7a5d94d581ffba
log4cplus-debugsource-2.1.1-10.el10.s390x.rpm SHA-256: fb9f5d40ed51801d16f8cfdc600f82179af1b71f446d7b5311600df3a6c9825b
log4cplus-devel-2.1.1-10.el10.s390x.rpm SHA-256: 119c1560a9b5bab2711807719d6961c08bfd4111a8cea4fb01b989ed6d018c64

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2

SRPM
x86_64
log4cplus-debuginfo-2.1.1-10.el10.x86_64.rpm SHA-256: 9789544f5b029bb5f84fc8152bf97c94ea0a68616ea9081c4b8458f338574d2f
log4cplus-debugsource-2.1.1-10.el10.x86_64.rpm SHA-256: 8a5b54160a0c56fc4baa23b7562236bf53ada5c73626ca2832a513ea50da86d3
log4cplus-devel-2.1.1-10.el10.x86_64.rpm SHA-256: 8d4552edca8e35bbda1e4f73d5fd812ff837a74a8c11b2df8316e2260cb9513c

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2

SRPM
ppc64le
log4cplus-debuginfo-2.1.1-10.el10.ppc64le.rpm SHA-256: 2988b54ff8177f242b9a312c3dd3bb4df6648d1df0ac71315798e7e3def229df
log4cplus-debugsource-2.1.1-10.el10.ppc64le.rpm SHA-256: 77f72b6b271021a3ce2d6a94166f8b7eb2effb7c9038838d8600c51fdd155d2c
log4cplus-devel-2.1.1-10.el10.ppc64le.rpm SHA-256: 5092b8b6ace561be2181952d86adc268caff5fb29aee2585378946290851e132

Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2

SRPM
s390x
log4cplus-debuginfo-2.1.1-10.el10.s390x.rpm SHA-256: b3bab3833aa44bedfadeab5da028b92a6589c82493ddde8edd7a5d94d581ffba
log4cplus-debugsource-2.1.1-10.el10.s390x.rpm SHA-256: fb9f5d40ed51801d16f8cfdc600f82179af1b71f446d7b5311600df3a6c9825b
log4cplus-devel-2.1.1-10.el10.s390x.rpm SHA-256: 119c1560a9b5bab2711807719d6961c08bfd4111a8cea4fb01b989ed6d018c64

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2

SRPM
aarch64
log4cplus-debuginfo-2.1.1-10.el10.aarch64.rpm SHA-256: 9f3dc79469f28959b179d7fda49c7b169d8ca17b6e98307340f6332479ff6837
log4cplus-debugsource-2.1.1-10.el10.aarch64.rpm SHA-256: f2895238cb40086a0e6d33b5ccb2bb23737b415b1c11e9ca3c23fb27dd4b30b6
log4cplus-devel-2.1.1-10.el10.aarch64.rpm SHA-256: 7af431a026e4a2a8172600d3dfc6fd37c275f41ea33b7e041576a79b4da729f1

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
aarch64
log4cplus-2.1.1-10.el10.aarch64.rpm SHA-256: 9f03d2fb4c85744c83467b5022caa750249f6214bbdefb8ab29fe810f18f2944
log4cplus-debuginfo-2.1.1-10.el10.aarch64.rpm SHA-256: 9f3dc79469f28959b179d7fda49c7b169d8ca17b6e98307340f6332479ff6837
log4cplus-debugsource-2.1.1-10.el10.aarch64.rpm SHA-256: f2895238cb40086a0e6d33b5ccb2bb23737b415b1c11e9ca3c23fb27dd4b30b6

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
s390x
log4cplus-2.1.1-10.el10.s390x.rpm SHA-256: 4c5f61efe370c67daadec2bf5d29f3ad946ce66f11992651c20ad8ea7b347f0b
log4cplus-debuginfo-2.1.1-10.el10.s390x.rpm SHA-256: b3bab3833aa44bedfadeab5da028b92a6589c82493ddde8edd7a5d94d581ffba
log4cplus-debugsource-2.1.1-10.el10.s390x.rpm SHA-256: fb9f5d40ed51801d16f8cfdc600f82179af1b71f446d7b5311600df3a6c9825b

Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
ppc64le
log4cplus-2.1.1-10.el10.ppc64le.rpm SHA-256: 0a8ca3cdb1db520ef2b29209855459b02a0003cd8cba69e8f2493ded0681925b
log4cplus-debuginfo-2.1.1-10.el10.ppc64le.rpm SHA-256: 2988b54ff8177f242b9a312c3dd3bb4df6648d1df0ac71315798e7e3def229df
log4cplus-debugsource-2.1.1-10.el10.ppc64le.rpm SHA-256: 77f72b6b271021a3ce2d6a94166f8b7eb2effb7c9038838d8600c51fdd155d2c

Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
x86_64
log4cplus-2.1.1-10.el10.x86_64.rpm SHA-256: de1336d6eed57cb56cb987b52a733ca520bc74f5b40b8225649b7dac7ad45eb8
log4cplus-debuginfo-2.1.1-10.el10.x86_64.rpm SHA-256: 9789544f5b029bb5f84fc8152bf97c94ea0a68616ea9081c4b8458f338574d2f
log4cplus-debugsource-2.1.1-10.el10.x86_64.rpm SHA-256: 8a5b54160a0c56fc4baa23b7562236bf53ada5c73626ca2832a513ea50da86d3

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
x86_64
log4cplus-2.1.1-10.el10.x86_64.rpm SHA-256: de1336d6eed57cb56cb987b52a733ca520bc74f5b40b8225649b7dac7ad45eb8
log4cplus-debuginfo-2.1.1-10.el10.x86_64.rpm SHA-256: 9789544f5b029bb5f84fc8152bf97c94ea0a68616ea9081c4b8458f338574d2f
log4cplus-debugsource-2.1.1-10.el10.x86_64.rpm SHA-256: 8a5b54160a0c56fc4baa23b7562236bf53ada5c73626ca2832a513ea50da86d3

Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
aarch64
log4cplus-2.1.1-10.el10.aarch64.rpm SHA-256: 9f03d2fb4c85744c83467b5022caa750249f6214bbdefb8ab29fe810f18f2944
log4cplus-debuginfo-2.1.1-10.el10.aarch64.rpm SHA-256: 9f3dc79469f28959b179d7fda49c7b169d8ca17b6e98307340f6332479ff6837
log4cplus-debugsource-2.1.1-10.el10.aarch64.rpm SHA-256: f2895238cb40086a0e6d33b5ccb2bb23737b415b1c11e9ca3c23fb27dd4b30b6

Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
ppc64le
log4cplus-2.1.1-10.el10.ppc64le.rpm SHA-256: 0a8ca3cdb1db520ef2b29209855459b02a0003cd8cba69e8f2493ded0681925b
log4cplus-debuginfo-2.1.1-10.el10.ppc64le.rpm SHA-256: 2988b54ff8177f242b9a312c3dd3bb4df6648d1df0ac71315798e7e3def229df
log4cplus-debugsource-2.1.1-10.el10.ppc64le.rpm SHA-256: 77f72b6b271021a3ce2d6a94166f8b7eb2effb7c9038838d8600c51fdd155d2c

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2

SRPM
log4cplus-2.1.1-10.el10.src.rpm SHA-256: 69212d5a4484db8702ca0336b4011b6b996d96e48b08d5bcb595e6ac683a0fd9
s390x
log4cplus-2.1.1-10.el10.s390x.rpm SHA-256: 4c5f61efe370c67daadec2bf5d29f3ad946ce66f11992651c20ad8ea7b347f0b
log4cplus-debuginfo-2.1.1-10.el10.s390x.rpm SHA-256: b3bab3833aa44bedfadeab5da028b92a6589c82493ddde8edd7a5d94d581ffba
log4cplus-debugsource-2.1.1-10.el10.s390x.rpm SHA-256: fb9f5d40ed51801d16f8cfdc600f82179af1b71f446d7b5311600df3a6c9825b

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