Red Hat Product Errata RHSA-2026:59997 - Security Advisory Issued: 2026-08-26 Updated: 2026-08-26 RHSA-2026:59997 - Security Advisory Overview Updated Packages Synopsis Moderate: polkit security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for polkit is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Security Fix(es): polkit: Polkit: Denial of Service via unbounded input processing through standard input (CVE-2026-4897) 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 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 BZ - 2451739 - CVE-2026-4897 polkit: Polkit: Denial of Service via unbounded input processing through standard input CVEs CVE-2026-4897 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 10 SRPM polkit-125-4.el10_2.1.src.rpm SHA-256: dfc6b625322a013eda403717ff7b23a1d077f850eeded3845badccc570576b58 x86_64 polkit-125-4.el10_2.1.x86_64.rpm SHA-256: 538e812a6b3542ade76b0e8c0aee8acc084b200a03811353c97913048ad6f88d polkit-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 526d72f54344f13868c9c338139d648133c5185ce7303fb2e6c132193120797d polkit-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 526d72f54344f13868c9c338139d648133c5185ce7303fb2e6c132193120797d polkit-debugsource-125-4.el10_2.1.x86_64.rpm SHA-256: fe9d1ee70af507e61643109b19028c67f8bef6ed0ec21dfcf82b5c031a9dcaa6 polkit-debugsource-125-4.el10_2.1.x86_64.rpm SHA-256: fe9d1ee70af507e61643109b19028c67f8bef6ed0ec21dfcf82b5c031a9dcaa6 polkit-devel-125-4.el10_2.1.x86_64.rpm SHA-256: dbbe82bc7cecd71aee1c269e2a96d67fe9af1e0e76c70e1d284d43060146556b polkit-docs-125-4.el10_2.1.noarch.rpm SHA-256: 5003ae870bdd57c980344e44cb90fe17df2ab115b33efc0e26ab20e611404ded polkit-libs-125-4.el10_2.1.x86_64.rpm SHA-256: 0aeb156e1d2728196369fbaa225cf3868a3cad6ed667d76edabc643d8f6f5f07 polkit-libs-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 0a2fc84751d03c313596e077878c56872ddf13bbd02a47a68286cc6cb7d740bd polkit-libs-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 0a2fc84751d03c313596e077878c56872ddf13bbd02a47a68286cc6cb7d740bd Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM polkit-125-4.el10_2.1.src.rpm SHA-256: dfc6b625322a013eda403717ff7b23a1d077f850eeded3845badccc570576b58 x86_64 polkit-125-4.el10_2.1.x86_64.rpm SHA-256: 538e812a6b3542ade76b0e8c0aee8acc084b200a03811353c97913048ad6f88d polkit-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 526d72f54344f13868c9c338139d648133c5185ce7303fb2e6c132193120797d polkit-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 526d72f54344f13868c9c338139d648133c5185ce7303fb2e6c132193120797d polkit-debugsource-125-4.el10_2.1.x86_64.rpm SHA-256: fe9d1ee70af507e61643109b19028c67f8bef6ed0ec21dfcf82b5c031a9dcaa6 polkit-debugsource-125-4.el10_2.1.x86_64.rpm SHA-256: fe9d1ee70af507e61643109b19028c67f8bef6ed0ec21dfcf82b5c031a9dcaa6 polkit-devel-125-4.el10_2.1.x86_64.rpm SHA-256: dbbe82bc7cecd71aee1c269e2a96d67fe9af1e0e76c70e1d284d43060146556b polkit-docs-125-4.el10_2.1.noarch.rpm SHA-256: 5003ae870bdd57c980344e44cb90fe17df2ab115b33efc0e26ab20e611404ded polkit-libs-125-4.el10_2.1.x86_64.rpm SHA-256: 0aeb156e1d2728196369fbaa225cf3868a3cad6ed667d76edabc643d8f6f5f07 polkit-libs-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 0a2fc84751d03c313596e077878c56872ddf13bbd02a47a68286cc6cb7d740bd polkit-libs-debuginfo-125-4.el10_2.1.x86_64.rpm SHA-256: 0a2fc84751d03c313596e077878c56872ddf13bbd02a47a68286cc6cb7d740bd Red Hat Enterprise Linux for IBM z Systems 10 SRPM polkit-125-4.el10_2.1.src.rpm SHA-256: dfc6b625322a013eda403717ff7b23a1d077f850eeded3845badccc570576b58 s390x polkit-125-4.el10_2.1.s390x.rpm SHA-256: 1b95aa0da00e818ef1b90a93d01246355407b7c7de9f45350249b00347e9d71c polkit-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: 56b75ff16d9454e3e9866f6c8bd0a26023fc7e5b3db127a03df9f892bf61eed1 polkit-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: 56b75ff16d9454e3e9866f6c8bd0a26023fc7e5b3db127a03df9f892bf61eed1 polkit-debugsource-125-4.el10_2.1.s390x.rpm SHA-256: c9f18930737688855820d967b418271fde963e9558867669582fb6f06710082c polkit-debugsource-125-4.el10_2.1.s390x.rpm SHA-256: c9f18930737688855820d967b418271fde963e9558867669582fb6f06710082c polkit-devel-125-4.el10_2.1.s390x.rpm SHA-256: 15067f64fc4416fd33f325da4f687fe7a4acf5a1e1a9eb1b68006515c0906890 polkit-docs-125-4.el10_2.1.noarch.rpm SHA-256: 5003ae870bdd57c980344e44cb90fe17df2ab115b33efc0e26ab20e611404ded polkit-libs-125-4.el10_2.1.s390x.rpm SHA-256: 685bbebf336cd7c5583f5c3eff22703767691040f3a2dc965e8d0da0cc5f6114 polkit-libs-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: c2d8f6b4bf81e73731d3f6fd9ace41ff75f1765f6dbaeb3a0d2687123cc574e5 polkit-libs-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: c2d8f6b4bf81e73731d3f6fd9ace41ff75f1765f6dbaeb3a0d2687123cc574e5 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 SRPM polkit-125-4.el10_2.1.src.rpm SHA-256: dfc6b625322a013eda403717ff7b23a1d077f850eeded3845badccc570576b58 s390x polkit-125-4.el10_2.1.s390x.rpm SHA-256: 1b95aa0da00e818ef1b90a93d01246355407b7c7de9f45350249b00347e9d71c polkit-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: 56b75ff16d9454e3e9866f6c8bd0a26023fc7e5b3db127a03df9f892bf61eed1 polkit-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: 56b75ff16d9454e3e9866f6c8bd0a26023fc7e5b3db127a03df9f892bf61eed1 polkit-debugsource-125-4.el10_2.1.s390x.rpm SHA-256: c9f18930737688855820d967b418271fde963e9558867669582fb6f06710082c polkit-debugsource-125-4.el10_2.1.s390x.rpm SHA-256: c9f18930737688855820d967b418271fde963e9558867669582fb6f06710082c polkit-devel-125-4.el10_2.1.s390x.rpm SHA-256: 15067f64fc4416fd33f325da4f687fe7a4acf5a1e1a9eb1b68006515c0906890 polkit-docs-125-4.el10_2.1.noarch.rpm SHA-256: 5003ae870bdd57c980344e44cb90fe17df2ab115b33efc0e26ab20e611404ded polkit-libs-125-4.el10_2.1.s390x.rpm SHA-256: 685bbebf336cd7c5583f5c3eff22703767691040f3a2dc965e8d0da0cc5f6114 polkit-libs-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: c2d8f6b4bf81e73731d3f6fd9ace41ff75f1765f6dbaeb3a0d2687123cc574e5 polkit-libs-debuginfo-125-4.el10_2.1.s390x.rpm SHA-256: c2d8f6b4bf81e73731d3f6fd9ace41ff75f1765f6dbaeb3a0d2687123cc574e5 Red Hat Enterprise Linux for Power, little endian 10 SRPM polkit-125-4.el10_2.1.src.rpm SHA-256: dfc6b625322a013eda403717ff7b23a1d077f850eeded3845badccc570576b58 ppc64le polkit-125-4.el10_2.1.ppc64le.rpm SHA-256: 81a48b8581375cb18530181dbef2e73eab288c5bfa86d941f24a46c84f3576c3 polkit-debuginfo-125-4.el10_2.1.ppc64le.rpm SHA-256: 9f495428bc7005a02237c61f661a0f26a54ad9d7c5d1ed26d0eebe96c4af3fbc polkit-debuginfo-125-4.el10_2.1.ppc64le.rpm SHA-256: 9f495428bc7005a02237c61f661a0f26a54ad9d7c5d1ed26d0eebe96c4af3fbc polkit-debugsource-125-4.el10_2.1.ppc64le.rpm SHA-256: 93b81f04b7e201c2a8d07a8b79e482d04260373c7954a45ddcc0a7212563c457 polkit-debugsource-125-4.el10_2.1.ppc64le.rpm SHA-256: 93b81f04b7e201c2a8d07a8b79e482d04260373c7954a45ddcc0a7212563c457 polkit-devel-125-4.el10_2.1.ppc64le.rpm SHA-256: 9ed1e88e6f243a70e7281e2b6e8fe2522bd97e31db1aa04afb11d06fd0bb9f92 polkit-docs-125-4.el10_2.1.noarch.rpm SHA-256: 5003ae870bdd57c980344e44cb90fe17df2ab115b33efc0e26ab20e611404ded polkit-libs-125-4.el10_2.1.ppc64le.rpm SHA-256: 85517b470189a5d3050a2f92d16c2f69a318ee33da78f646768e6e75a9c026ca polkit-libs-debuginfo-125-4.el10_2.1.ppc64le.rpm SHA-256: 3d4da56f405ac5b5eb55cf21d8dee2260164255ca8bab35d40ba9c3cbe0240c9 polkit-libs-debuginfo-125-4.el10_2.1.ppc64le.rpm SHA-256: 3d4da56f405ac5b5eb55cf21d8dee2260164255ca8bab35d40ba9c3cbe0240c9 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 SRPM polkit-125-4.el10_2.1.src.rpm SHA-256: dfc6b625322a013eda403717ff7b23a1d077f850eeded3845badccc570576b58 ppc64le polkit-125-4.el10_2.1.ppc64le.rpm SHA-256: 81a48b8581375cb18530181dbef2e73eab288c5bfa86d941f24a46c84f3576c3 polkit-debuginfo-125-4.el10_2.1.ppc64le.rpm SHA-256: 9f495428bc7005a02237c61f661a0f26a54ad9d7c5d1ed26d0eebe96c4af3fbc polkit-debuginfo-125-4.el10_2.1.ppc64le.rpm SHA-256: 9f495428bc7005a02237c61f661a