Red Hat Security Advisory: frr10 security update
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.
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-37459US | — | — | ||
An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message. | ||||
| CVE-2026-37457US | — | — | ||
An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denia… | ||||
references
External citations — patches, advisories, analysis.
remediations (56)
- Fixedfrr10-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debuginfo-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-debugsource-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-selinux-0:10.4.3-3.el9_8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Fixedfrr10-selinux-0:10.4.3-3.el9_8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2026:24370 - Workaroundfrr10-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debuginfo-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-debugsource-0:10.4.3-3.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-selinux-0:10.4.3-3.el9_8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
- Workaroundfrr10-selinux-0:10.4.3-3.el9_8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
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