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ALSA-2026:24347 — Important: frr security update

2026-10-05T18:04:38.519801+00:00

Affected: AlmaLinux:10: frr, AlmaLinux:10: frr-selinux

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):

* frr: denial of service via crafted FlowSpec component (CVE-2026-37457) * frr: denial of service via crafted BGP UPDATE message (CVE-2026-37459)

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.

EUVD-2026-337288

2026-10-05T18:04:38.519862+00:00

EUVD-2026-337288

fkie_cve-2026-37459

2026-10-05T18:04:38.519878+00:00

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.

GHSA-hmpg-chwg-jvg8

2026-10-05T18:04:38.519903+00:00

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.

msrc_CVE-2026-37459 — An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS)…

2026-10-05T18:04:38.519918+00:00

msrc_CVE-2026-37459

openSUSE-SU-2026:10721-1 — frr-10.6.1-1.1 on GA media

2026-10-05T18:04:38.519935+00:00

frr-10.6.1-1.1 on GA media

RLSA-2026:24347 — Important: frr security update

2026-10-05T18:04:38.519952+00:00

Affected: Rocky Linux:10: frr

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):

* frr: denial of service via crafted FlowSpec component (CVE-2026-37457)

* frr: denial of service via crafted BGP UPDATE message (CVE-2026-37459)

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.

UBUNTU-CVE-2026-37459

2026-10-05T18:04:38.519976+00:00

Affected: Ubuntu:Pro:16.04:LTS: quagga, Ubuntu:Pro:18.04:LTS: quagga, Ubuntu:20.04:LTS: quagga, Ubuntu:25.10: frr, Ubuntu:26.04:LTS: frr

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.

WID-SEC-W-2026-1353 — FRRouting Project FRRouting: Mehrere Schwachstellen ermöglichen Denial of Service

2026-10-05T18:04:38.519999+00:00

Ein Angreifer kann mehrere Schwachstellen in FRRouting Project FRRouting ausnutzen, um einen Denial of Service Angriff durchzuführen.