How severe is CVE-2024-34088?

CVE-2024-34088 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-34088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-34088?

CVE-2024-34088 affects Frrouting. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-34088?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-34088 have an EU (EUVD) identifier?

Yes. CVE-2024-34088 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35147.

When was CVE-2024-34088 published?

CVE-2024-34088 was published on 2024-04-30 and last updated on 2026-06-17.

CVE-2024-34088

CVE-2024-34088 is a high-severity vulnerability in Frrouting with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-35147
Weakness: CWE-476
Affected product: Frrouting
Published: 2024-04-30
Last modified: 2026-06-17

Description

In FRRouting (FRR) through 9.1, it is possible for the get_edge() function in ospf_te.c in the OSPF daemon to return a NULL pointer. In cases where calling functions do not handle the returned NULL value, the OSPF daemon crashes, leading to denial of service.

Frequently asked questions

What is CVE-2024-34088?: In FRRouting (FRR) through 9.1, it is possible for the get_edge() function in ospf_te.c in the OSPF daemon to return a NULL pointer. In cases where calling functions do not handle the returned NULL value, the OSPF daemon crashes, leading to denial of service.
How severe is CVE-2024-34088?: CVE-2024-34088 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-34088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34088?: CVE-2024-34088 affects Frrouting. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-34088?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-34088 have an EU (EUVD) identifier?: Yes. CVE-2024-34088 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35147.
When was CVE-2024-34088 published?: CVE-2024-34088 was published on 2024-04-30 and last updated on 2026-06-17.

References

https://github.com/FRRouting/frr/pull/15674/commits/34d704fb0ea60dc5063af477a2c11d4884984d4f

Affected products (1)

cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*

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