---
id: CVE-2026-72754
title: Routinator exits when parsing an incorrect or very large CRL file
summary: >-
  When Routinator encounters a CRL with many entries, it may hang or run out of
  memory. If Routinator encounters a CRL file with the wrong encoding, it may
  exit.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-755
vendor: NLnet Labs
product: Routinator
affected:
  - Routinator (all versions)
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-26T17:47:00.928059Z'
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T17:57:34.011Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-72754'
references:
  - url: 'https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72754.txt'
tags:
  - cve.org
ingestedAt: '2026-10-26T17:33:33.058Z'
epss: 0.00397
epssPercentile: 0.33781
---

## Overview

When Routinator encounters a CRL with many entries, it may hang or run out of memory. If Routinator encounters a CRL file with the wrong encoding, it may exit.

## Affected

- `Routinator (all versions)`

## Remediation

This issue is fixed in 0.15.3 and all later versions.