6.5

CVE-2024-31949: frrouting Infinite Loop

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-31949DEBIAN-CVE-2024-31949
Published 07-04-2024Last modified 04-11-2025
Open JSON

Vulnerability summary

CVE-2024-31949 is a medium (CVSS 6.5) Infinite Loop vulnerability in frrouting. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.70%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
DLA-3797-1DLA-3865-1

Timeline

  1. 07-04-2024
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.70%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

0.00 pp

From 0.70% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • frrAll versions (No fix recorded) | < 10.0.1-0.1
Frrouting1 product
Ubuntu1 product
  • frr< 7.2.1-1ubuntu0.2 | < 8.1-1ubuntu1.9 | < 8.4.4-1.1ubuntu5

3 vendors · 3 products

References

7 links