What is CVE-2026-72753?

CVE-2026-72753 is a high-severity vulnerability, classified under Improper Handling of Exceptional Conditions. CVSS score: 8.2/10. Published 2026-10-26.

How severe is CVE-2026-72753?

High severity. CVSS v3 base score is 8.2 out of 10.

CVE-2026-72753

CVE-2026-72753

When Routinator encounters an RRDP notification file with gaps in the delta entries, it is still accepted and parsed, potentially leading to missing data. If it encounters too many delta entries it may run out of memory.

Published 2026-10-26 · last modified 2026-10-26.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

www.nlnetlabs.nl/downloads/routinator/CVE-2026-72753.txt (vendor-advisory)

Frequently asked questions

What is CVE-2026-72753?: CVE-2026-72753 is a high-severity vulnerability, classified under Improper Handling of Exceptional Conditions. CVSS score: 8.2/10. Published 2026-10-26.
How severe is CVE-2026-72753?: High severity. CVSS v3 base score is 8.2 out of 10.