An out-of-bounds read in the BGP daemon of FRRouting FRR before 8.4 may lead to a segmentation fault and denial of service. This occurs in bgp_capability_msg_parse in bgpd/bgp_packet.c.
CVE-2022-37032
Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2022-09-20. NVD baseline CVSS 9.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 9.1
- EG Score
- 9.1(medium)
- EG Risk
- 61(Track*)EG Risk 61/100SSVC: Track*
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity91% × 45%Exploitation40% × 40%Automatability30% × 15%Action: Watch closely — could escalate to Attend. - EPSS PROB
- 2%
- EPSS %ILE
- 82%
- KEV
- Not listed
Published
September 19, 2022
Last Modified
November 21, 2024
Advisory Details (5)
Auto-updated Jul 19, 2026[SECURITY] [DLA 3211-1] frr security update
https://lists.debian.org/debian-lts-announce/2022/11/msg00039.htmlcommit ff6db1027f8f (FRRouting/frr)
Fix landed in FRRouting/frr commit ff6db1027f8f — awaiting tagged release
https://github.com/FRRouting/frr/commit/ff6db1027f8f36df657ff2e5ea167773752537edcommit 6d58272b4cf9 (FRRouting/frr)
Fix landed in FRRouting/frr commit 6d58272b4cf9 — awaiting tagged release
https://github.com/FRRouting/frr/commit/6d58272b4cf96f0daa846210dd2104877900f9211202023 – (CVE-2022-37032) VUL-0: CVE-2022-37032: frr: out-of-bounds read in the BGP daemon may lead to information disclosure or denial of service
https://bugzilla.suse.com/show_bug.cgi?id=1202023Patch Availability(5)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | frr-pythontools (8.1-1ubuntu1.2) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | quagga-ripngd (1.2.4-4ubuntu0.4) @ focal | 2026-05-25 | ubuntu |
| ubuntu | frr-snmp (7.2.1-1ubuntu0.2+esm2) @ focal | 2026-05-25 | ubuntu |
| redhat | frr-0:7.5.1-7.el8 | 2023-05-16 | redhat |
| redhat | frr-0:8.3.1-5.el9 | 2023-05-09 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(5 across 5 ecosystems)
Debian:10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| frr | 6.0.2-2, 6.0.2-2+deb10u1 | 6.0.2-2+deb10u2 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| frr | 7.5.1-1.1 | 7.5.1-1.1+deb11u1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| frr | — | 8.4.1-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| frr | — | 8.4.1-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| frr | — | 8.4.1-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(5)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 4× in last 7d / 26× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 171 total refreshes for this CVE.
- 2026-09-19 15:38 UTCEPSS rescore
- 2026-09-17 19:24 UTCEPSS rescore
- 2026-09-16 14:05 UTCEPSS rescore
- 2026-09-15 03:07 UTCEPSS rescore
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- 2026-09-11 14:50 UTCEPSS rescore
- 2026-09-11 09:33 UTCEPSS rescore
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- 2026-09-06 13:45 UTCEPSS rescore
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- 2026-09-05 03:48 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:04 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:19 UTCEPSS rescore
- 2026-08-28 21:38 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
- 2026-08-26 14:43 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
- 2026-08-23 00:17 UTCEPSS rescore
- 2026-08-21 23:46 UTCEPSS rescore
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- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 14:42 UTCOSV refresh
- 2026-08-18 13:45 UTCEPSS rescore
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- 2026-08-16 14:53 UTCEPSS rescore
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- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:58 UTCEPSS rescore
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- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:39 UTCEPSS rescore
- 2026-08-10 14:08 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
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- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
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- 2026-08-04 15:07 UTCEPSS rescore
- 2026-08-04 10:35 UTCEPSS rescore
- 2026-08-03 10:27 UTCOSV refresh
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:12 UTCEG score recompute
- 2026-07-22 23:00 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 20:04 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 18:02 UTCOSV refresh
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCspwpun/CVE-2022-37032First seen Feb 20, 2023
PoC for CVE-2022-37032,tested on frr-8.3。
Open source ↗
Related CVEs(same vendor + same CWE)
Same vendor
10 shownubuntu:USN-5685-1 · ubuntu:USN-6482-1 · ubuntu:USN-6807-1
Frequently asked(5)
What is CVE-2022-37032?
When was CVE-2022-37032 disclosed?
Is CVE-2022-37032 actively exploited?
What is the CVSS score of CVE-2022-37032?
How do I remediate CVE-2022-37032?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-37032
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