CVE-2026-37460
Missing input validation in the rfapiRibBi2Ri() function (rfapi_rib.c) of 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-2026-37460 is fixed in 7 products on 1 platform, first by frr 7.2.1-1ubuntu0.2+esm4, released April 30, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0034
26th percentile
Missing input validation in the rfapiRibBi2Ri() function (rfapi_rib.c) of 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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| frr · Debian 14 | 10.6.1-1 | DEBIAN-CVE-2026-37460 | Jun 24, 2026 |
| frr · RHEL 10 | 10.4.4-1.el10_2 | RHSA-2026:24347 | Jun 24, 2026 |
| frr · RHEL 8 | 0:7.5.1-25.el8_10 | RHSA-2026:49511 | Aug 5, 2026 |
| frr · RHEL 9 | 0:8.5.3-15.el9_8.1 | RHSA-2026:49527 | Aug 5, 2026 |
| frr · Ubuntu 20.04 LTS (focal) | 7.2.1-1ubuntu0.2+esm4 | frr 7.2.1-1ubuntu0.2+esm4 | Apr 30, 2026 |
| frr · Ubuntu 22.04.1 LTS (jammy) | 8.1-1ubuntu1.15 | frr 8.1-1ubuntu1.15 | Apr 30, 2026 |
| frr · Ubuntu 24.04.5 LTS (noble) | 8.4.4-1.1ubuntu6.6 | frr 8.4.4-1.1ubuntu6.6 | Apr 30, 2026 |
| frr · Ubuntu 25.10 (questing) | 10.4.1-3ubuntu1.2 | frr 10.4.1-3ubuntu1.2 | Apr 30, 2026 |
| frr · almalinux 10 | 10.4.4-1.el10_2 | ALSA-2026:24347 | Jun 8, 2026 |
| frr · almalinux 8 | 7.5.1-25.el8_10 | ALSA-2026:49511 | Aug 3, 2026 |
| frr · almalinux 9 | 8.5.3-15.el9_8.1 | ALSA-2026:49527 | Aug 3, 2026 |
| frr · ol 8 | 0:7.5.1-25.0.1.el8_10 | ELSA-2026-49511 | Aug 3, 2026 |
| frr · ol 9 | 0:8.5.3-15.el9_8.1 | ELSA-2026-49527 | Aug 3, 2026 |
| frr · rocky 8 | 0:7.5.1-25.el8_10 | RLSA-2026:49511 | Aug 4, 2026 |
| frr · rocky 9 | 0:8.5.3-15.el9_8.1 | RLSA-2026:49527 | Aug 4, 2026 |
| frr-pythontools · Ubuntu 20.04 LTS (focal) | 7.2.1-1ubuntu0.2+esm4 | frr-pythontools 7.2.1-1ubuntu0.2+esm4 | Apr 30, 2026 |
| frr-pythontools · Ubuntu 22.04.1 LTS (jammy) | 8.1-1ubuntu1.15 | frr-pythontools 8.1-1ubuntu1.15 | Apr 30, 2026 |
| frr-pythontools · Ubuntu 24.04.5 LTS (noble) | 8.4.4-1.1ubuntu6.6 | frr-pythontools 8.4.4-1.1ubuntu6.6 | Apr 30, 2026 |
| frr-pythontools · Ubuntu 25.10 (questing) | 10.4.1-3ubuntu1.2 | frr-pythontools 10.4.1-3ubuntu1.2 | Apr 30, 2026 |
| frr-rpki-rtrlib · Ubuntu 20.04 LTS (focal) | 7.2.1-1ubuntu0.2+esm4 | frr-rpki-rtrlib 7.2.1-1ubuntu0.2+esm4 | Apr 30, 2026 |
| frr-rpki-rtrlib · Ubuntu 22.04.1 LTS (jammy) | 8.1-1ubuntu1.15 | frr-rpki-rtrlib 8.1-1ubuntu1.15 | Apr 30, 2026 |
| frr-rpki-rtrlib · Ubuntu 24.04.5 LTS (noble) | 8.4.4-1.1ubuntu6.6 | frr-rpki-rtrlib 8.4.4-1.1ubuntu6.6 | Apr 30, 2026 |
| frr-rpki-rtrlib · Ubuntu 25.10 (questing) | 10.4.1-3ubuntu1.2 | frr-rpki-rtrlib 10.4.1-3ubuntu1.2 | Apr 30, 2026 |
| frr-selinux · RHEL 8 | 0:7.5.1-25.el8_10 | RHSA-2026:49511 | Aug 5, 2026 |
| frr-selinux · RHEL 9 | 0:8.5.3-15.el9_8.1 | RHSA-2026:49527 | Aug 5, 2026 |
| frr-selinux · almalinux 10 | 10.4.4-1.el10_2 | ALSA-2026:24347 | Jun 8, 2026 |
| frr-selinux · almalinux 8 | 7.5.1-25.el8_10 | ALSA-2026:49511 | Aug 3, 2026 |
| frr-selinux · almalinux 9 | 8.5.3-15.el9_8.1 | ALSA-2026:49527 | Aug 3, 2026 |
| frr-selinux · ol 8 | 0:7.5.1-25.0.1.el8_10 | ELSA-2026-49511 | Aug 3, 2026 |
| frr-selinux · ol 9 | 0:8.5.3-15.el9_8.1 | ELSA-2026-49527 | Aug 3, 2026 |
| frr-snmp · Ubuntu 20.04 LTS (focal) | 7.2.1-1ubuntu0.2+esm4 | frr-snmp 7.2.1-1ubuntu0.2+esm4 | Apr 30, 2026 |
| frr-snmp · Ubuntu 22.04.1 LTS (jammy) | 8.1-1ubuntu1.15 | frr-snmp 8.1-1ubuntu1.15 | Apr 30, 2026 |
| frr-snmp · Ubuntu 24.04.5 LTS (noble) | 8.4.4-1.1ubuntu6.6 | frr-snmp 8.4.4-1.1ubuntu6.6 | Apr 30, 2026 |
| frr-snmp · Ubuntu 25.10 (questing) | 10.4.1-3ubuntu1.2 | frr-snmp 10.4.1-3ubuntu1.2 | Apr 30, 2026 |
| frr10 · RHEL 9 | 0:10.4.3-3.el9_8.2 | RHSA-2026:49607 | Aug 5, 2026 |
| frr10 · almalinux 9 | 10.4.3-3.el9_8.2 | ALSA-2026:49607 | Aug 3, 2026 |
| frr10 · ol 9 | 0:10.4.3-3.el9_8.2 | ELSA-2026-49607 | Aug 3, 2026 |
| frr10 · rocky 9 | 0:10.4.3-3.el9_8.2 | RLSA-2026:49607 | Aug 4, 2026 |
| frr10-selinux · RHEL 9 | 0:10.4.3-3.el9_8.2 | RHSA-2026:49607 | Aug 5, 2026 |
| frr10-selinux · almalinux 9 | 10.4.3-3.el9_8.2 | ALSA-2026:49607 | Aug 3, 2026 |
| frr10-selinux · ol 9 | 0:10.4.3-3.el9_8.2 | ELSA-2026-49607 | Aug 3, 2026 |
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