# Frrouting vulnerabilities

Source: https://junglewise.ai/threats/vendors/frrouting  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 20:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/frrouting.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in Frrouting: 1 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120033, was published on 12 November 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 1
- Last 30 days: 2
- Last 90 days: 2
- All time: 8 (0 critical, 0 exploited in the wild)

## About Frrouting

An open-source routing software suite for IP routing protocols including BGP, OSPF, and RIP.

## Latest Frrouting vulnerabilities

- [CVE-2026-120033: FRRouting bgpd BGP session state inconsistency on Send Hold Timer expiry](https://junglewise.ai/threats/cve-2026-120033-in-frrouting-10-1-and-later-bgpd-does-not-correctly-close-a-bgp) (info, published 12 Nov 2026)
- [CVE-2026-119776: FRRouting OSPFv3 spoofed packet acceptance](https://junglewise.ai/threats/cve-2026-119776-in-all-prior-released-versions-of-frrouting-the-ospfv3-for-ipv6) (info, published 4 Nov 2026)
- [CVE-2026-37460: FRRouting Denial of Service in rfapiRibBi2Ri function](https://junglewise.ai/threats/cve-2026-37460-frrouting-denial-of-service-in-rfapiribbi2ri-function) (info, CVSS 0, published 3 Jun 2026)
- [CVE-2026-37459: FRRouting integer underflow in BGP UPDATE message parsing](https://junglewise.ai/threats/cve-2026-37459-frrouting-integer-underflow-in-bgp-update-message-parsing) (high, CVSS 7.5, published 4 May 2026)
- [CVE-2026-37458: FRRouting FRR denial of service in MP_REACH_NLRI component](https://junglewise.ai/threats/cve-2026-37458-frrouting-frr-denial-of-service-in-mp-reach-nlri-component) (medium, CVSS 6.5, published 4 May 2026)
- [CVE-2026-37457: FRRouting FRR out-of-bounds write in bgp_flowspec_op_decode](https://junglewise.ai/threats/cve-2026-37457-frrouting-frr-out-of-bounds-write-in-bgp-flowspec-op-decode) (high, CVSS 7.5, published 1 May 2026)
- [CVE-2026-28532: FRRouting before 10.5.3 contains an integer overflow vulnerability in seven OSPF Traffic Engineering and Segment…](https://junglewise.ai/threats/cve-2026-28532-frrouting-before-10-5-3-contains-an-integer-overflow) (medium, CVSS 6.5, published 30 Apr 2026)
- [CVE-2017-5495: Quagga and FRRouting unbounded memory allocation in vty CLI](https://junglewise.ai/threats/cve-2017-5495-quagga-and-frrouting-unbounded-memory-allocation-in-vty-cli) (high, CVSS 7.5, published 24 Jan 2017)

## Most severe Frrouting vulnerabilities

- [CVE-2026-37459: FRRouting integer underflow in BGP UPDATE message parsing](https://junglewise.ai/threats/cve-2026-37459-frrouting-integer-underflow-in-bgp-update-message-parsing) (high, CVSS 7.5, published 4 May 2026)
- [CVE-2026-37457: FRRouting FRR out-of-bounds write in bgp_flowspec_op_decode](https://junglewise.ai/threats/cve-2026-37457-frrouting-frr-out-of-bounds-write-in-bgp-flowspec-op-decode) (high, CVSS 7.5, published 1 May 2026)
- [CVE-2017-5495: Quagga and FRRouting unbounded memory allocation in vty CLI](https://junglewise.ai/threats/cve-2017-5495-quagga-and-frrouting-unbounded-memory-allocation-in-vty-cli) (high, CVSS 7.5, published 24 Jan 2017)
- [CVE-2026-28532: FRRouting before 10.5.3 contains an integer overflow vulnerability in seven OSPF Traffic Engineering and Segment…](https://junglewise.ai/threats/cve-2026-28532-frrouting-before-10-5-3-contains-an-integer-overflow) (medium, CVSS 6.5, published 30 Apr 2026)
- [CVE-2026-37458: FRRouting FRR denial of service in MP_REACH_NLRI component](https://junglewise.ai/threats/cve-2026-37458-frrouting-frr-denial-of-service-in-mp-reach-nlri-component) (medium, CVSS 6.5, published 4 May 2026)
- [CVE-2026-37460: FRRouting Denial of Service in rfapiRibBi2Ri function](https://junglewise.ai/threats/cve-2026-37460-frrouting-denial-of-service-in-rfapiribbi2ri-function) (info, CVSS 0, published 3 Jun 2026)
- [CVE-2026-120033: FRRouting bgpd BGP session state inconsistency on Send Hold Timer expiry](https://junglewise.ai/threats/cve-2026-120033-in-frrouting-10-1-and-later-bgpd-does-not-correctly-close-a-bgp) (info, published 12 Nov 2026)
- [CVE-2026-119776: FRRouting OSPFv3 spoofed packet acceptance](https://junglewise.ai/threats/cve-2026-119776-in-all-prior-released-versions-of-frrouting-the-ospfv3-for-ipv6) (info, published 4 Nov 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 1 | 0 | 0 |
| 9 Nov 2026 | 1 | 0 | 0 |

## Frrouting technologies

- [FRRouting](https://junglewise.ai/threats/technologies/frrouting): 7 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Frrouting vulnerabilities", https://junglewise.ai/threats/vendors/frrouting, 12 November 2026.