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Red Hat Product Errata RHSA-2026:90287 - Security Advisory
Issued:
2026-10-26
Updated:
2026-10-26

RHSA-2026:90287 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: sudo security update

Type/Severity

Security Advisory: Important

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for sudo is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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

The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.

Security Fix(es):

  • sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization (CVE-2026-96512)

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 Server - AUS 9.2 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2 aarch64
  • Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 ppc64le
  • Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2 s390x

Fixes

  • BZ - 2539327 - CVE-2026-96512 sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization

CVEs

  • CVE-2026-96512

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
x86_64
sudo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 68635bf8f96aa2a391cce67e8406fa43ea41c7bfac14a45dfa386e4d1bbe52e8
sudo-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 20c8f8d21302ea78b5cf4a0c8ed58815d62ca7ade17c085ff8ad2fb2e713cf48
sudo-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 20c8f8d21302ea78b5cf4a0c8ed58815d62ca7ade17c085ff8ad2fb2e713cf48
sudo-debugsource-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 9da5c055cf150920a3f5a33d8d1e2184e82599543b7833fcd62a9971651fa051
sudo-debugsource-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 9da5c055cf150920a3f5a33d8d1e2184e82599543b7833fcd62a9971651fa051
sudo-python-plugin-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 53497b1f96d0bae4725f2b3576c561edc525979f4452d0142d47e7f3d8901306
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 2146a0451efd30f0aa76c534a331983910f6eecad68fdfe99d6454b339749f88
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 2146a0451efd30f0aa76c534a331983910f6eecad68fdfe99d6454b339749f88

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
ppc64le
sudo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 0e40413d60ba876172767b6530f81961c89a07bc2d7f2b84e03687b93327bbf3
sudo-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 372d8959dfa60baf0ebdde06a74ec99111be48ce64da7711ccd6830d39328c28
sudo-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 372d8959dfa60baf0ebdde06a74ec99111be48ce64da7711ccd6830d39328c28
sudo-debugsource-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 51b40960c08ea43235cf778c6417702e39f41fc0ccf779e99ca86d2a3b78b8e0
sudo-debugsource-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 51b40960c08ea43235cf778c6417702e39f41fc0ccf779e99ca86d2a3b78b8e0
sudo-python-plugin-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: b293a32387bcb01dda4be3052bbf2f49989f04bd5233f302e88a75a85b8bdd10
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: ead6c575eef9c921599584af4126927944201ca4a024e06c20adcbd85d37526b
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: ead6c575eef9c921599584af4126927944201ca4a024e06c20adcbd85d37526b

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
x86_64
sudo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 68635bf8f96aa2a391cce67e8406fa43ea41c7bfac14a45dfa386e4d1bbe52e8
sudo-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 20c8f8d21302ea78b5cf4a0c8ed58815d62ca7ade17c085ff8ad2fb2e713cf48
sudo-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 20c8f8d21302ea78b5cf4a0c8ed58815d62ca7ade17c085ff8ad2fb2e713cf48
sudo-debugsource-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 9da5c055cf150920a3f5a33d8d1e2184e82599543b7833fcd62a9971651fa051
sudo-debugsource-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 9da5c055cf150920a3f5a33d8d1e2184e82599543b7833fcd62a9971651fa051
sudo-python-plugin-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 53497b1f96d0bae4725f2b3576c561edc525979f4452d0142d47e7f3d8901306
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 2146a0451efd30f0aa76c534a331983910f6eecad68fdfe99d6454b339749f88
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 2146a0451efd30f0aa76c534a331983910f6eecad68fdfe99d6454b339749f88

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
aarch64
sudo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: 600edbaedbcece6a2a04fb78bcc037420113677c5bf9e6bb2dad5c58a8b11b7d
sudo-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: a819eb01eb40eb23b65af9bce68870b82985ffd72516086cd57f88c17bd4a485
sudo-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: a819eb01eb40eb23b65af9bce68870b82985ffd72516086cd57f88c17bd4a485
sudo-debugsource-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: 42e575cc2fb41e87f26047420d221b0c7194ecfa4133088c76d486b4aae16253
sudo-debugsource-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: 42e575cc2fb41e87f26047420d221b0c7194ecfa4133088c76d486b4aae16253
sudo-python-plugin-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: c64c976457cd69ea92f418fd4440d13f7c1572420400a335e58c21ee2debaf0c
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: fe0b3afe5ce2b822b7324b243acf510d1432ba083074bc978f35a029d269f274
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: fe0b3afe5ce2b822b7324b243acf510d1432ba083074bc978f35a029d269f274

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
s390x
sudo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: a4761ecda3bc9d78b5dfd4c44bb9bcc89a965ddc2c9e9143177e770b33284791
sudo-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 9cb1773ebf96365cda9a2951eacdb69c11a748b69450b3e235e5803b7a166079
sudo-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 9cb1773ebf96365cda9a2951eacdb69c11a748b69450b3e235e5803b7a166079
sudo-debugsource-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 922ade2be5129f8a76a06d6d9c8f8b40972c7d59f778a48fe7a4f6e1e7ae7315
sudo-debugsource-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 922ade2be5129f8a76a06d6d9c8f8b40972c7d59f778a48fe7a4f6e1e7ae7315
sudo-python-plugin-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 7b3b70611ea1ef758b3c54fc4776f1b322ef680d8b324576408018b9c880d098
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 3fed53e32f9c1ab656e67066a223e7807b36b547a31ff866509179d4f71e87bc
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 3fed53e32f9c1ab656e67066a223e7807b36b547a31ff866509179d4f71e87bc

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
x86_64
sudo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 68635bf8f96aa2a391cce67e8406fa43ea41c7bfac14a45dfa386e4d1bbe52e8
sudo-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 20c8f8d21302ea78b5cf4a0c8ed58815d62ca7ade17c085ff8ad2fb2e713cf48
sudo-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 20c8f8d21302ea78b5cf4a0c8ed58815d62ca7ade17c085ff8ad2fb2e713cf48
sudo-debugsource-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 9da5c055cf150920a3f5a33d8d1e2184e82599543b7833fcd62a9971651fa051
sudo-debugsource-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 9da5c055cf150920a3f5a33d8d1e2184e82599543b7833fcd62a9971651fa051
sudo-python-plugin-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 53497b1f96d0bae4725f2b3576c561edc525979f4452d0142d47e7f3d8901306
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 2146a0451efd30f0aa76c534a331983910f6eecad68fdfe99d6454b339749f88
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.x86_64.rpm SHA-256: 2146a0451efd30f0aa76c534a331983910f6eecad68fdfe99d6454b339749f88

Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
aarch64
sudo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: 600edbaedbcece6a2a04fb78bcc037420113677c5bf9e6bb2dad5c58a8b11b7d
sudo-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: a819eb01eb40eb23b65af9bce68870b82985ffd72516086cd57f88c17bd4a485
sudo-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: a819eb01eb40eb23b65af9bce68870b82985ffd72516086cd57f88c17bd4a485
sudo-debugsource-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: 42e575cc2fb41e87f26047420d221b0c7194ecfa4133088c76d486b4aae16253
sudo-debugsource-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: 42e575cc2fb41e87f26047420d221b0c7194ecfa4133088c76d486b4aae16253
sudo-python-plugin-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: c64c976457cd69ea92f418fd4440d13f7c1572420400a335e58c21ee2debaf0c
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: fe0b3afe5ce2b822b7324b243acf510d1432ba083074bc978f35a029d269f274
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.aarch64.rpm SHA-256: fe0b3afe5ce2b822b7324b243acf510d1432ba083074bc978f35a029d269f274

Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
ppc64le
sudo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 0e40413d60ba876172767b6530f81961c89a07bc2d7f2b84e03687b93327bbf3
sudo-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 372d8959dfa60baf0ebdde06a74ec99111be48ce64da7711ccd6830d39328c28
sudo-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 372d8959dfa60baf0ebdde06a74ec99111be48ce64da7711ccd6830d39328c28
sudo-debugsource-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 51b40960c08ea43235cf778c6417702e39f41fc0ccf779e99ca86d2a3b78b8e0
sudo-debugsource-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: 51b40960c08ea43235cf778c6417702e39f41fc0ccf779e99ca86d2a3b78b8e0
sudo-python-plugin-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: b293a32387bcb01dda4be3052bbf2f49989f04bd5233f302e88a75a85b8bdd10
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: ead6c575eef9c921599584af4126927944201ca4a024e06c20adcbd85d37526b
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.ppc64le.rpm SHA-256: ead6c575eef9c921599584af4126927944201ca4a024e06c20adcbd85d37526b

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2

SRPM
sudo-1.9.5p2-9.el9_2.5.src.rpm SHA-256: 0d41f94e4f02dc47c4afa8760f5fdb281ee1be3cae1cf06eef85546dd4145a18
s390x
sudo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: a4761ecda3bc9d78b5dfd4c44bb9bcc89a965ddc2c9e9143177e770b33284791
sudo-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 9cb1773ebf96365cda9a2951eacdb69c11a748b69450b3e235e5803b7a166079
sudo-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 9cb1773ebf96365cda9a2951eacdb69c11a748b69450b3e235e5803b7a166079
sudo-debugsource-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 922ade2be5129f8a76a06d6d9c8f8b40972c7d59f778a48fe7a4f6e1e7ae7315
sudo-debugsource-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 922ade2be5129f8a76a06d6d9c8f8b40972c7d59f778a48fe7a4f6e1e7ae7315
sudo-python-plugin-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 7b3b70611ea1ef758b3c54fc4776f1b322ef680d8b324576408018b9c880d098
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 3fed53e32f9c1ab656e67066a223e7807b36b547a31ff866509179d4f71e87bc
sudo-python-plugin-debuginfo-1.9.5p2-9.el9_2.5.s390x.rpm SHA-256: 3fed53e32f9c1ab656e67066a223e7807b36b547a31ff866509179d4f71e87bc

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

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