CVE-2026-72758 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-755

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72756.txt

FAQ

What is CVE-2026-72758?

CVE-2026-72758 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2026-72758?

CVE-2026-72758 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-72758?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.