6.5

CVE-2024-31951: frrouting Classic Buffer Overflow

CVSS: 6.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2024-31951DEBIAN-CVE-2024-31951
Published 07-04-2024Last modified 04-11-2024
Open JSON

Vulnerability summary

CVE-2024-31951 is a medium (CVSS 6.5) Classic Buffer Overflow vulnerability in frrouting. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 44.6% 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
0.55%
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 4 · Related 4
OPENSUSE-SU-2024:14038-1SUSE-SU-2024:1971-1SUSE-SU-2024:4090-1USN-6794-1

Timeline

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

Description

In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.55%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.55% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.55%

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
  • frr< 8.4.4-1.1~deb12u2 | < 10.3-3+deb13u1 | < 10.0.1-0.1
Frrouting1 product
Ubuntu1 product
  • frr< 8.1-1ubuntu1.10 | < 8.4.4-1.1ubuntu6.1

3 vendors · 3 products

References

7 links