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Red Hat Product Errata RHSA-2026:86633 - Security Advisory
Issued:
2026-10-21
Updated:
2026-10-21

RHSA-2026:86633 - 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 10.0 Extended Update Support.

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 for x86_64 - Extended Update Support 10.0 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x
  • Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le
  • Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64

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 for x86_64 - Extended Update Support 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
x86_64
sudo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: cbf8749744a8297ef06b119f7a0d209f7ba86f7f3fa64a56ef43e125c7dc905d
sudo-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 357217c8f7573b1476bcb3ba10e5be8830a623cdc6916dc5504fa33f39f00dad
sudo-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 357217c8f7573b1476bcb3ba10e5be8830a623cdc6916dc5504fa33f39f00dad
sudo-debugsource-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 302ee45f81ce1220dd3ecb6e82197f725fa31e45133a517ed0c756f767b3c511
sudo-debugsource-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 302ee45f81ce1220dd3ecb6e82197f725fa31e45133a517ed0c756f767b3c511
sudo-python-plugin-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 71f69b1318372e0da1f2944f4226976ec370d2dfbf01d6999e514929f2860e7e
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 8771579c4c398026bc2dc5d8226ba90dc82c6163e547eaafb7bc700c91da5178
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 8771579c4c398026bc2dc5d8226ba90dc82c6163e547eaafb7bc700c91da5178

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
s390x
sudo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: b00da27ae8dad300f24518c0529d6cd0807f3e93046bf6508d26ed0badb9344a
sudo-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 8a0edee8b0686e063f54cbf9b34fa42a7a0d70eea3ede88d6e6f3d1107030037
sudo-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 8a0edee8b0686e063f54cbf9b34fa42a7a0d70eea3ede88d6e6f3d1107030037
sudo-debugsource-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 713873d63e89b5150cefc78757e996b38d08cd7e0c603f52a867b83a1476ca52
sudo-debugsource-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 713873d63e89b5150cefc78757e996b38d08cd7e0c603f52a867b83a1476ca52
sudo-python-plugin-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 1ed7ea747a0e4af732cdea236d7483ad526723875b282829a46f80c7bbb33b02
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 94a8ffa0ee52911b8b8365f98fe820c732d702cbf06103eaae7e3855ef33d381
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 94a8ffa0ee52911b8b8365f98fe820c732d702cbf06103eaae7e3855ef33d381

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
ppc64le
sudo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: bd01a252e5d91694a48666c8c91bff72e7131e1a408734f260bc7fe6ccb0141e
sudo-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: cd9a345e364c19daa52157b358139130b706b8c24c8e460e03431471e8331961
sudo-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: cd9a345e364c19daa52157b358139130b706b8c24c8e460e03431471e8331961
sudo-debugsource-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: d5d14cbfae6c5bb3faa68ec3029553ab79f0e6b57e92b85f267fd285dc605bd5
sudo-debugsource-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: d5d14cbfae6c5bb3faa68ec3029553ab79f0e6b57e92b85f267fd285dc605bd5
sudo-python-plugin-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: 96a0e60f1b8a925bf3c56c3a1475789ea73f79f9dee0107a5dfeeb66305a809a
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: f24a8d0219accce7fb2761355ce2f16445bdc13803ec332c98540793e78b7551
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: f24a8d0219accce7fb2761355ce2f16445bdc13803ec332c98540793e78b7551

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
aarch64
sudo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: c56d9ad2a63e6b66aafbb9344371e5cfd208bb10372998edfb9bbf53db5ed388
sudo-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: a08b40307a58a8693ca07dbc98eecbad155b950c2b7498275bb749da64ce23f8
sudo-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: a08b40307a58a8693ca07dbc98eecbad155b950c2b7498275bb749da64ce23f8
sudo-debugsource-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 772b1c727befd062b6321b6ec7fd9e99aef7b05077956154ba2b43d3a9706037
sudo-debugsource-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 772b1c727befd062b6321b6ec7fd9e99aef7b05077956154ba2b43d3a9706037
sudo-python-plugin-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: dbab0c89f08928a7871b0e81c289eee3101b8caef4c2c33eaa86411927aae26a
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 0b7e1e7bb7d1c43146a0bb480ba7c04a8ea6c0170fbbd53b93f5e577311c397c
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 0b7e1e7bb7d1c43146a0bb480ba7c04a8ea6c0170fbbd53b93f5e577311c397c

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
aarch64
sudo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: c56d9ad2a63e6b66aafbb9344371e5cfd208bb10372998edfb9bbf53db5ed388
sudo-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: a08b40307a58a8693ca07dbc98eecbad155b950c2b7498275bb749da64ce23f8
sudo-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: a08b40307a58a8693ca07dbc98eecbad155b950c2b7498275bb749da64ce23f8
sudo-debugsource-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 772b1c727befd062b6321b6ec7fd9e99aef7b05077956154ba2b43d3a9706037
sudo-debugsource-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 772b1c727befd062b6321b6ec7fd9e99aef7b05077956154ba2b43d3a9706037
sudo-python-plugin-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: dbab0c89f08928a7871b0e81c289eee3101b8caef4c2c33eaa86411927aae26a
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 0b7e1e7bb7d1c43146a0bb480ba7c04a8ea6c0170fbbd53b93f5e577311c397c
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.aarch64.rpm SHA-256: 0b7e1e7bb7d1c43146a0bb480ba7c04a8ea6c0170fbbd53b93f5e577311c397c

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
s390x
sudo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: b00da27ae8dad300f24518c0529d6cd0807f3e93046bf6508d26ed0badb9344a
sudo-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 8a0edee8b0686e063f54cbf9b34fa42a7a0d70eea3ede88d6e6f3d1107030037
sudo-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 8a0edee8b0686e063f54cbf9b34fa42a7a0d70eea3ede88d6e6f3d1107030037
sudo-debugsource-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 713873d63e89b5150cefc78757e996b38d08cd7e0c603f52a867b83a1476ca52
sudo-debugsource-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 713873d63e89b5150cefc78757e996b38d08cd7e0c603f52a867b83a1476ca52
sudo-python-plugin-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 1ed7ea747a0e4af732cdea236d7483ad526723875b282829a46f80c7bbb33b02
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 94a8ffa0ee52911b8b8365f98fe820c732d702cbf06103eaae7e3855ef33d381
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.s390x.rpm SHA-256: 94a8ffa0ee52911b8b8365f98fe820c732d702cbf06103eaae7e3855ef33d381

Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
ppc64le
sudo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: bd01a252e5d91694a48666c8c91bff72e7131e1a408734f260bc7fe6ccb0141e
sudo-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: cd9a345e364c19daa52157b358139130b706b8c24c8e460e03431471e8331961
sudo-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: cd9a345e364c19daa52157b358139130b706b8c24c8e460e03431471e8331961
sudo-debugsource-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: d5d14cbfae6c5bb3faa68ec3029553ab79f0e6b57e92b85f267fd285dc605bd5
sudo-debugsource-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: d5d14cbfae6c5bb3faa68ec3029553ab79f0e6b57e92b85f267fd285dc605bd5
sudo-python-plugin-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: 96a0e60f1b8a925bf3c56c3a1475789ea73f79f9dee0107a5dfeeb66305a809a
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: f24a8d0219accce7fb2761355ce2f16445bdc13803ec332c98540793e78b7551
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.ppc64le.rpm SHA-256: f24a8d0219accce7fb2761355ce2f16445bdc13803ec332c98540793e78b7551

Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0

SRPM
sudo-1.9.15-8.p5.el10_0.5.src.rpm SHA-256: 8ccb64d4d65ee809defd4b6cd14f0be43a59d4488c0924cdbed6b6e9462b22d5
x86_64
sudo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: cbf8749744a8297ef06b119f7a0d209f7ba86f7f3fa64a56ef43e125c7dc905d
sudo-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 357217c8f7573b1476bcb3ba10e5be8830a623cdc6916dc5504fa33f39f00dad
sudo-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 357217c8f7573b1476bcb3ba10e5be8830a623cdc6916dc5504fa33f39f00dad
sudo-debugsource-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 302ee45f81ce1220dd3ecb6e82197f725fa31e45133a517ed0c756f767b3c511
sudo-debugsource-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 302ee45f81ce1220dd3ecb6e82197f725fa31e45133a517ed0c756f767b3c511
sudo-python-plugin-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 71f69b1318372e0da1f2944f4226976ec370d2dfbf01d6999e514929f2860e7e
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 8771579c4c398026bc2dc5d8226ba90dc82c6163e547eaafb7bc700c91da5178
sudo-python-plugin-debuginfo-1.9.15-8.p5.el10_0.5.x86_64.rpm SHA-256: 8771579c4c398026bc2dc5d8226ba90dc82c6163e547eaafb7bc700c91da5178

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

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