- What: Security, bug fix, and enhancement update for frr10 in Red Hat Enterprise Linux 9
- Impact: Vulnerabilities could affect routing protocols
Red Hat Product Errata RHSA-2026:49607 - Security Advisory Issued: 2026-08-03 Updated: 2026-08-03 RHSA-2026:49607 - Security Advisory Overview Updated Packages Synopsis Important: frr10 security, bug fix, and enhancement 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 frr10 is now available for Red Hat Enterprise Linux 9. 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 FRRouting is free software that manages TCP/IP based routing protocols. It takes a multi-server and multi-threaded approach to resolve the current complexity of the Internet. FRRouting supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. FRRouting is a fork of Quagga. Security Fix(es): frr: FRRouting: Denial of Service via crafted BGP UPDATE message (CVE-2026-37460) Bug Fix(es) and Enhancement(s): frr10 triggers SELinux denials when reading root's Python site-packages directory on RHEL-9 (JIRA:RHEL-222338) 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 9 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 x86_64 Red Hat Enterprise Linux for IBM z Systems 9 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 s390x Red Hat Enterprise Linux for Power, little endian 9 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 ppc64le Red Hat Enterprise Linux for ARM 64 9 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 s390x Fixes BZ - 2484385 - CVE-2026-37460 frr: FRRouting: Denial of Service via crafted BGP UPDATE message RHEL-222338 - frr10 triggers SELinux denials when reading root's Python site-packages directory on RHEL-9 CVEs CVE-2026-37460 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 9 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 x86_64 frr10-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: c802081a8cd62fb29fb2d0b6523252094a20650e19b28bdb190321409d110ec1 frr10-debuginfo-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: 77924b037d91e771590914a7464fad00285a595d070cf79bdf012c65e29b2df9 frr10-debugsource-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: 657b8d14ed54128e82e33c349c3dc3298516e6336c5efe49c051a66502a87f6c frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 x86_64 frr10-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: c802081a8cd62fb29fb2d0b6523252094a20650e19b28bdb190321409d110ec1 frr10-debuginfo-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: 77924b037d91e771590914a7464fad00285a595d070cf79bdf012c65e29b2df9 frr10-debugsource-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: 657b8d14ed54128e82e33c349c3dc3298516e6336c5efe49c051a66502a87f6c frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for IBM z Systems 9 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 s390x frr10-10.4.3-3.el9_8.2.s390x.rpm SHA-256: 0f629cae82a93b2c7d2932b59ded408fdae36ed489779d0899f31f8847671eee frr10-debuginfo-10.4.3-3.el9_8.2.s390x.rpm SHA-256: 0eae6d592231eb05a00df252259b7f84999f0073eca157de0605b18948ecfafb frr10-debugsource-10.4.3-3.el9_8.2.s390x.rpm SHA-256: b5cc85abb10f1048f45f041ba523ec47e6a569927cd15192e443ce82e97c2a12 frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 s390x frr10-10.4.3-3.el9_8.2.s390x.rpm SHA-256: 0f629cae82a93b2c7d2932b59ded408fdae36ed489779d0899f31f8847671eee frr10-debuginfo-10.4.3-3.el9_8.2.s390x.rpm SHA-256: 0eae6d592231eb05a00df252259b7f84999f0073eca157de0605b18948ecfafb frr10-debugsource-10.4.3-3.el9_8.2.s390x.rpm SHA-256: b5cc85abb10f1048f45f041ba523ec47e6a569927cd15192e443ce82e97c2a12 frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for Power, little endian 9 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 ppc64le frr10-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: 7254fd54c003c8eddec6e4d6f0147f7c9c6d2b0d7e344a87dd429065bf5c34e5 frr10-debuginfo-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: 83b70e611b8ea6bd81f16c9ac0376cfac3e13a67b8ab30090778ca98e1c7bddf frr10-debugsource-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: f3071d04238031607f696aab19e5b2a91522833f79b24d82487276cc8586f624 frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 ppc64le frr10-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: 7254fd54c003c8eddec6e4d6f0147f7c9c6d2b0d7e344a87dd429065bf5c34e5 frr10-debuginfo-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: 83b70e611b8ea6bd81f16c9ac0376cfac3e13a67b8ab30090778ca98e1c7bddf frr10-debugsource-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: f3071d04238031607f696aab19e5b2a91522833f79b24d82487276cc8586f624 frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for ARM 64 9 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 aarch64 frr10-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 9d73e6992bb0da0d8eaa7fb55ae6c592fb0387d8b2c09a991b81038661e8a0e4 frr10-debuginfo-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 9ea5d03e8f4453eb66cb4a793bc3cd9de38b3bce5665aa03d44d2506003e6570 frr10-debugsource-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 01c2766a1da91c1278ae6be12a3d7e7409f9a68257b15fbeb500bb0789719b02 frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 aarch64 frr10-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 9d73e6992bb0da0d8eaa7fb55ae6c592fb0387d8b2c09a991b81038661e8a0e4 frr10-debuginfo-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 9ea5d03e8f4453eb66cb4a793bc3cd9de38b3bce5665aa03d44d2506003e6570 frr10-debugsource-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 01c2766a1da91c1278ae6be12a3d7e7409f9a68257b15fbeb500bb0789719b02 frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 ppc64le frr10-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: 7254fd54c003c8eddec6e4d6f0147f7c9c6d2b0d7e344a87dd429065bf5c34e5 frr10-debuginfo-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: 83b70e611b8ea6bd81f16c9ac0376cfac3e13a67b8ab30090778ca98e1c7bddf frr10-debugsource-10.4.3-3.el9_8.2.ppc64le.rpm SHA-256: f3071d04238031607f696aab19e5b2a91522833f79b24d82487276cc8586f624 frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 x86_64 frr10-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: c802081a8cd62fb29fb2d0b6523252094a20650e19b28bdb190321409d110ec1 frr10-debuginfo-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: 77924b037d91e771590914a7464fad00285a595d070cf79bdf012c65e29b2df9 frr10-debugsource-10.4.3-3.el9_8.2.x86_64.rpm SHA-256: 657b8d14ed54128e82e33c349c3dc3298516e6336c5efe49c051a66502a87f6c frr10-selinux-10.4.3-3.el9_8.2.noarch.rpm SHA-256: b3fd49f7c105bf56cff27564ab14702ad499b4de7c49aba6a9f6af3b159c4ff7 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 SRPM frr10-10.4.3-3.el9_8.2.src.rpm SHA-256: cb1fe85c535bb05eb83a6a103fe2ea46ce75326fff04a5a564156e52a6776d19 aarch64 frr10-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 9d73e6992bb0da0d8eaa7fb55ae6c592fb0387d8b2c09a991b81038661e8a0e4 frr10-debuginfo-10.4.3-3.el9_8.2.aarch64.rpm SHA-256: 9ea5d03e8f4453eb66cb4a793bc3cd9de38b3bce5665aa03d44