What’s Vulnerable › Vulnerabilities
CVE-2026-72758: Routinator may exit on malformed ranges
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-26 · updated 2026-10-26
- Weakness: CWE-755
Description
When parsing an AS range in Routinator, if the maximum value of the range is smaller than the minimum value of the range, Routinator will never reach the maximum value and run out of memory.
Affected products
- NLnet Labs Routinator: all versions — fixed in 0.15.3
How to fix
Upgrade to a fixed version: NLnet Labs Routinator 0.15.3. Check the vendor advisory for mitigations.
References
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