What is CVE-2024-26461?

CVE-2024-26461 is a high-severity vulnerability in Mit Kerberos 5, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-02-29.

How severe is CVE-2024-26461?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-26461 known to be exploited?

15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Mit Kerberos 5

CVE-2024-26461

Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.

Published 2024-02-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (66.4th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

github.com/LuMingYinDetect/krb5_defects/blob/main/krb5_detect_2.md (Exploit)
security.netapp.com/advisory/ntap-20240415-0011/ (Third Party Advisory)

Frequently asked questions

What is CVE-2024-26461?: CVE-2024-26461 is a high-severity vulnerability in Mit Kerberos 5, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-02-29.
How severe is CVE-2024-26461?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-26461 known to be exploited?: 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.