Memory Management Issue in Routinator by NLnet Labs
CVE-2026-72758

7.5HIGH

Key Information:

Vendor

Nlnet Labs

Status
Routinator
Vendor
CVE Published:
26 October 2026

What is CVE-2026-72758?

A critical vulnerability in Routinator occurs when parsing an AS range, causing it to fail to reach the defined maximum value if it's smaller than the minimum. This issue can lead to excessive memory consumption, adversely affecting the application's performance and potentially resulting in crashes.

Affected Version(s)

Routinator 0.15.3

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Qifan Zhang, Palo Alto Networks
.