CVE-2023-39915: Crashes on parsing certain invalid RPKI objects

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-13 · updated 2026-06-17
Weakness: CWE-232

Description

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.

Affected products

NLnet Labs Routinator: before 0.12.2 — fixed in 0.12.2

How to fix

Upgrade to a fixed version: NLnet Labs Routinator 0.12.2. Check the vendor advisory for mitigations.

References

https://nlnetlabs.nl/downloads/routinator/CVE-2023-39915.txt
https://nlnetlabs.nl/downloads/routinator/CVE-2023-39915.txt

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