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Medium ALSA-2024:0477 4 CVEs

Moderate: frr security update

Published Jan 25, 2024 · Updated Oct 29, 2026

Summary

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.

Security Fix(es):

* ffr: Flowspec overflow in bgpd/bgp_flowspec.c (CVE-2023-38406)
* ffr: Out of bounds read in bgpd/bgp_label.c (CVE-2023-38407)
* frr: crash from specially crafted MP_UNREACH_NLRI-containing BGP UPDATE message (CVE-2023-47234)
* frr: crash from malformed EOR-containing BGP UPDATE message (CVE-2023-47235)

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.

Fixed packages 2

ReleasePackageFixed in
AlmaLinux · 9 frr 8.3.1-11.el9_3.2.alma.1
AlmaLinux · 9 frr-selinux 8.3.1-11.el9_3.2.alma.1

Vulnerabilities 4

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-38406
  • report
    https://access.redhat.com/security/cve/CVE-2023-38407
  • report
    https://access.redhat.com/security/cve/CVE-2023-47234
  • report
    https://access.redhat.com/security/cve/CVE-2023-47235
  • report
    https://bugzilla.redhat.com/2248207
  • report
    https://bugzilla.redhat.com/2248208
  • report
    https://bugzilla.redhat.com/2248526
  • report
    https://bugzilla.redhat.com/2248528
  • advisory
    https://errata.almalinux.org/9/ALSA-2024-0477.html