What is CVE-2023-39915?

CVE-2023-39915 is a high-severity vulnerability in Nlnet Labs Routinator, classified under CWE-232. CVSS score: 7.5/10. Published 2023-09-13.

How severe is CVE-2023-39915?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Nlnet Labs Routinator

CVE-2023-39915

NLnet Labs' Routinator up to and including version 0.12.1 may crash when trying to parse certain malformed RPKI objects. This is due to insufficient input checking in the bcder library covered by CVE-2023-39914.

Published 2023-09-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Nlnet Labs Routinator — versions 0.12.2
Nlnetlabs Routinator

Weakness classification (CWE)

References

nlnetlabs.nl/downloads/routinator/CVE-2023-39915.txt (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-39915?: CVE-2023-39915 is a high-severity vulnerability in Nlnet Labs Routinator, classified under CWE-232. CVSS score: 7.5/10. Published 2023-09-13.
How severe is CVE-2023-39915?: High severity. CVSS v3 base score is 7.5 out of 10.