CVE-2024-31948

MEDIUMNVD 6.56.5—

6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 23.2%
KEV: Not listed

Published

April 7, 2024

Last Modified

November 4, 2025

References (7)

cve@mitrehttps://github.com/FRRouting/frr/pull/15628
cve@mitrehttps://github.com/FRRouting/frr/pull/15628/commits/ba6a8f1a31e1a88df2de69ea46068e8bd9b97138
cve@mitrehttps://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/FRRouting/frr/pull/15628
af854a3a-2127-422b-91ae-364da2661108https://github.com/FRRouting/frr/pull/15628/commits/ba6a8f1a31e1a88df2de69ea46068e8bd9b97138
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	frr-snmp (7.2.1-1ubuntu0.2+esm2) @ focal	2026-05-24	ubuntu
ubuntu	frr-snmp (8.1-1ubuntu1.10) @ jammy	2026-05-24	ubuntu

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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1287

All Vendor Advisories

(2)

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 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 05:05 UTCEG score recompute
2026-05-24 05:05 UTCVendor advisory
2026-05-24 05:05 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2024-31948?

CVE-2024-31948 is a medium vulnerability published on April 7, 2024. In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

When was CVE-2024-31948 disclosed?

CVE-2024-31948 was first published in the National Vulnerability Database on April 7, 2024, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-31948 actively exploited?

CVE-2024-31948 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-31948?

CVE-2024-31948 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2024-31948?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-31948, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-31948

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