Red Hat Product Errata RHBA-2026:18494 - Bug Fix Advisory
Issued:
2026-05-19
Updated:
2026-05-19

RHBA-2026:18494 - Bug Fix Advisory

Synopsis

libreswan 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 libreswan 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 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

  • RHEL-89969 - Duplicate Child SAs causing IPsec broken for OCP cluster [RHEL-10]
  • RHEL-73774 - [NMCI] crash in libreswan
  • RHEL-5299 - Please consider demoting the dependency on systemd

CVEs

(none)

Red Hat Enterprise Linux for x86_64 10

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
x86_64
libreswan-5.3-8.el10_2.x86_64.rpm SHA-256: 3ee13dbd98953bc8199208ed8c5165c7fccd590a0a68ea60ce399c8f828f3fae
libreswan-debugsource-5.3-8.el10_2.x86_64.rpm SHA-256: 70d2891ffce6ff790d2f98808ccab2dc6e3bafdd6020f8a2e9de53c64f919f45
libreswan-minimal-5.3-8.el10_2.x86_64.rpm SHA-256: c9556cf7d3a356d45bfd11de40c236976f50871efb614c743c53e4a7f9cd3c6b
libreswan-minimal-debuginfo-5.3-8.el10_2.x86_64.rpm SHA-256: 3ba399e19566c510d5251da1d4271f7f676b3423afd76840af9bd8ea97a44bd4

Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
x86_64
libreswan-5.3-8.el10_2.x86_64.rpm SHA-256: 3ee13dbd98953bc8199208ed8c5165c7fccd590a0a68ea60ce399c8f828f3fae
libreswan-debugsource-5.3-8.el10_2.x86_64.rpm SHA-256: 70d2891ffce6ff790d2f98808ccab2dc6e3bafdd6020f8a2e9de53c64f919f45
libreswan-minimal-5.3-8.el10_2.x86_64.rpm SHA-256: c9556cf7d3a356d45bfd11de40c236976f50871efb614c743c53e4a7f9cd3c6b
libreswan-minimal-debuginfo-5.3-8.el10_2.x86_64.rpm SHA-256: 3ba399e19566c510d5251da1d4271f7f676b3423afd76840af9bd8ea97a44bd4

Red Hat Enterprise Linux for IBM z Systems 10

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
s390x
libreswan-5.3-8.el10_2.s390x.rpm SHA-256: 414f9c2cdd7fc344b3be421abbfcc2a9a0b953c177232a968fca35dd02220dd3
libreswan-debugsource-5.3-8.el10_2.s390x.rpm SHA-256: 0d3741da6a140f50b448310879f5b874fbad889fb250a610f407e2603f96b6f7
libreswan-minimal-5.3-8.el10_2.s390x.rpm SHA-256: d433749b476b2a3f2a368d5f91a338074128839441d682439efabfb959153174
libreswan-minimal-debuginfo-5.3-8.el10_2.s390x.rpm SHA-256: 2eb35cf06e8ce50458ec31063cc1e4ae4769ddde5f16ffd6064e363909b75771

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
s390x
libreswan-5.3-8.el10_2.s390x.rpm SHA-256: 414f9c2cdd7fc344b3be421abbfcc2a9a0b953c177232a968fca35dd02220dd3
libreswan-debugsource-5.3-8.el10_2.s390x.rpm SHA-256: 0d3741da6a140f50b448310879f5b874fbad889fb250a610f407e2603f96b6f7
libreswan-minimal-5.3-8.el10_2.s390x.rpm SHA-256: d433749b476b2a3f2a368d5f91a338074128839441d682439efabfb959153174
libreswan-minimal-debuginfo-5.3-8.el10_2.s390x.rpm SHA-256: 2eb35cf06e8ce50458ec31063cc1e4ae4769ddde5f16ffd6064e363909b75771

Red Hat Enterprise Linux for Power, little endian 10

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
ppc64le
libreswan-5.3-8.el10_2.ppc64le.rpm SHA-256: 4c4d7fe8a718ec5b240b87fc638177f5dad43de576d28489c2e2751f59c9b717
libreswan-debugsource-5.3-8.el10_2.ppc64le.rpm SHA-256: 0344ad69dcd324122f8c7a672984be122334eb7f99de2c0e44ab9f0005411dd1
libreswan-minimal-5.3-8.el10_2.ppc64le.rpm SHA-256: c4993b38054a362ab4d5aa5d0710b8f3ce26a9eac45c7dbdb5485b8e15dc6fff
libreswan-minimal-debuginfo-5.3-8.el10_2.ppc64le.rpm SHA-256: 91693a53f336262b0e1a15778ec5d361d60082edf5bcb541401678aec20afb3f

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
ppc64le
libreswan-5.3-8.el10_2.ppc64le.rpm SHA-256: 4c4d7fe8a718ec5b240b87fc638177f5dad43de576d28489c2e2751f59c9b717
libreswan-debugsource-5.3-8.el10_2.ppc64le.rpm SHA-256: 0344ad69dcd324122f8c7a672984be122334eb7f99de2c0e44ab9f0005411dd1
libreswan-minimal-5.3-8.el10_2.ppc64le.rpm SHA-256: c4993b38054a362ab4d5aa5d0710b8f3ce26a9eac45c7dbdb5485b8e15dc6fff
libreswan-minimal-debuginfo-5.3-8.el10_2.ppc64le.rpm SHA-256: 91693a53f336262b0e1a15778ec5d361d60082edf5bcb541401678aec20afb3f

Red Hat Enterprise Linux for ARM 64 10

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
aarch64
libreswan-5.3-8.el10_2.aarch64.rpm SHA-256: 3fe57f553a31d5162ab558314208fe84fc8151626f0533b6de8d41257454e384
libreswan-debugsource-5.3-8.el10_2.aarch64.rpm SHA-256: 5474d7f5e599a0b92e8771f6442dd0ca2cd450a04a5bdab8dc3ec490bc0cb8f8
libreswan-minimal-5.3-8.el10_2.aarch64.rpm SHA-256: c19b6dc3bfba488a7924270839da8a4546c3cfa4b09f5536fe19f8182158ae50
libreswan-minimal-debuginfo-5.3-8.el10_2.aarch64.rpm SHA-256: 52169c77a9fc35d09971e0d534e6f4a857baf8e15fd4ad8c94674c04e77208df

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
aarch64
libreswan-5.3-8.el10_2.aarch64.rpm SHA-256: 3fe57f553a31d5162ab558314208fe84fc8151626f0533b6de8d41257454e384
libreswan-debugsource-5.3-8.el10_2.aarch64.rpm SHA-256: 5474d7f5e599a0b92e8771f6442dd0ca2cd450a04a5bdab8dc3ec490bc0cb8f8
libreswan-minimal-5.3-8.el10_2.aarch64.rpm SHA-256: c19b6dc3bfba488a7924270839da8a4546c3cfa4b09f5536fe19f8182158ae50
libreswan-minimal-debuginfo-5.3-8.el10_2.aarch64.rpm SHA-256: 52169c77a9fc35d09971e0d534e6f4a857baf8e15fd4ad8c94674c04e77208df

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
aarch64
libreswan-5.3-8.el10_2.aarch64.rpm SHA-256: 3fe57f553a31d5162ab558314208fe84fc8151626f0533b6de8d41257454e384
libreswan-debugsource-5.3-8.el10_2.aarch64.rpm SHA-256: 5474d7f5e599a0b92e8771f6442dd0ca2cd450a04a5bdab8dc3ec490bc0cb8f8
libreswan-minimal-5.3-8.el10_2.aarch64.rpm SHA-256: c19b6dc3bfba488a7924270839da8a4546c3cfa4b09f5536fe19f8182158ae50
libreswan-minimal-debuginfo-5.3-8.el10_2.aarch64.rpm SHA-256: 52169c77a9fc35d09971e0d534e6f4a857baf8e15fd4ad8c94674c04e77208df

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
s390x
libreswan-5.3-8.el10_2.s390x.rpm SHA-256: 414f9c2cdd7fc344b3be421abbfcc2a9a0b953c177232a968fca35dd02220dd3
libreswan-debugsource-5.3-8.el10_2.s390x.rpm SHA-256: 0d3741da6a140f50b448310879f5b874fbad889fb250a610f407e2603f96b6f7
libreswan-minimal-5.3-8.el10_2.s390x.rpm SHA-256: d433749b476b2a3f2a368d5f91a338074128839441d682439efabfb959153174
libreswan-minimal-debuginfo-5.3-8.el10_2.s390x.rpm SHA-256: 2eb35cf06e8ce50458ec31063cc1e4ae4769ddde5f16ffd6064e363909b75771

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
ppc64le
libreswan-5.3-8.el10_2.ppc64le.rpm SHA-256: 4c4d7fe8a718ec5b240b87fc638177f5dad43de576d28489c2e2751f59c9b717
libreswan-debugsource-5.3-8.el10_2.ppc64le.rpm SHA-256: 0344ad69dcd324122f8c7a672984be122334eb7f99de2c0e44ab9f0005411dd1
libreswan-minimal-5.3-8.el10_2.ppc64le.rpm SHA-256: c4993b38054a362ab4d5aa5d0710b8f3ce26a9eac45c7dbdb5485b8e15dc6fff
libreswan-minimal-debuginfo-5.3-8.el10_2.ppc64le.rpm SHA-256: 91693a53f336262b0e1a15778ec5d361d60082edf5bcb541401678aec20afb3f

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
x86_64
libreswan-5.3-8.el10_2.x86_64.rpm SHA-256: 3ee13dbd98953bc8199208ed8c5165c7fccd590a0a68ea60ce399c8f828f3fae
libreswan-debugsource-5.3-8.el10_2.x86_64.rpm SHA-256: 70d2891ffce6ff790d2f98808ccab2dc6e3bafdd6020f8a2e9de53c64f919f45
libreswan-minimal-5.3-8.el10_2.x86_64.rpm SHA-256: c9556cf7d3a356d45bfd11de40c236976f50871efb614c743c53e4a7f9cd3c6b
libreswan-minimal-debuginfo-5.3-8.el10_2.x86_64.rpm SHA-256: 3ba399e19566c510d5251da1d4271f7f676b3423afd76840af9bd8ea97a44bd4

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
x86_64
libreswan-5.3-8.el10_2.x86_64.rpm SHA-256: 3ee13dbd98953bc8199208ed8c5165c7fccd590a0a68ea60ce399c8f828f3fae
libreswan-debugsource-5.3-8.el10_2.x86_64.rpm SHA-256: 70d2891ffce6ff790d2f98808ccab2dc6e3bafdd6020f8a2e9de53c64f919f45
libreswan-minimal-5.3-8.el10_2.x86_64.rpm SHA-256: c9556cf7d3a356d45bfd11de40c236976f50871efb614c743c53e4a7f9cd3c6b
libreswan-minimal-debuginfo-5.3-8.el10_2.x86_64.rpm SHA-256: 3ba399e19566c510d5251da1d4271f7f676b3423afd76840af9bd8ea97a44bd4

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
aarch64
libreswan-5.3-8.el10_2.aarch64.rpm SHA-256: 3fe57f553a31d5162ab558314208fe84fc8151626f0533b6de8d41257454e384
libreswan-debugsource-5.3-8.el10_2.aarch64.rpm SHA-256: 5474d7f5e599a0b92e8771f6442dd0ca2cd450a04a5bdab8dc3ec490bc0cb8f8
libreswan-minimal-5.3-8.el10_2.aarch64.rpm SHA-256: c19b6dc3bfba488a7924270839da8a4546c3cfa4b09f5536fe19f8182158ae50
libreswan-minimal-debuginfo-5.3-8.el10_2.aarch64.rpm SHA-256: 52169c77a9fc35d09971e0d534e6f4a857baf8e15fd4ad8c94674c04e77208df

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
ppc64le
libreswan-5.3-8.el10_2.ppc64le.rpm SHA-256: 4c4d7fe8a718ec5b240b87fc638177f5dad43de576d28489c2e2751f59c9b717
libreswan-debugsource-5.3-8.el10_2.ppc64le.rpm SHA-256: 0344ad69dcd324122f8c7a672984be122334eb7f99de2c0e44ab9f0005411dd1
libreswan-minimal-5.3-8.el10_2.ppc64le.rpm SHA-256: c4993b38054a362ab4d5aa5d0710b8f3ce26a9eac45c7dbdb5485b8e15dc6fff
libreswan-minimal-debuginfo-5.3-8.el10_2.ppc64le.rpm SHA-256: 91693a53f336262b0e1a15778ec5d361d60082edf5bcb541401678aec20afb3f

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

SRPM
libreswan-5.3-8.el10_2.src.rpm SHA-256: 8ea865caff06f1940fcb044e3a00bc9e0830c4f283b495168f7c72000347687c
s390x
libreswan-5.3-8.el10_2.s390x.rpm SHA-256: 414f9c2cdd7fc344b3be421abbfcc2a9a0b953c177232a968fca35dd02220dd3
libreswan-debugsource-5.3-8.el10_2.s390x.rpm SHA-256: 0d3741da6a140f50b448310879f5b874fbad889fb250a610f407e2603f96b6f7
libreswan-minimal-5.3-8.el10_2.s390x.rpm SHA-256: d433749b476b2a3f2a368d5f91a338074128839441d682439efabfb959153174
libreswan-minimal-debuginfo-5.3-8.el10_2.s390x.rpm SHA-256: 2eb35cf06e8ce50458ec31063cc1e4ae4769ddde5f16ffd6064e363909b75771

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