CVE-2026-119079
Last modified
CVE-2026-119079 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. decode_sequence_of() in lib/krb5/asn.1/asn1_encode.c in MIT Kerberos 5 (aka krb5) 1.11 and later grows the decoded element array one entry at a time, which allows remote attackers to cause a denial of service (CPU consumption in the KDC) by sending an unauthenticated AS-REQ or TGS-REQ with a large number of elements in a SEQUENCE OF field over TCP.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.
Description
decode_sequence_of() in lib/krb5/asn.1/asn1_encode.c in MIT Kerberos 5 (aka krb5) 1.11 and later grows the decoded element array one entry at a time, which allows remote attackers to cause a denial of service (CPU consumption in the KDC) by sending an unauthenticated AS-REQ or TGS-REQ with a large number of elements in a SEQUENCE OF field over TCP.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | All versions |
| Red Hat | Red Hat Enterprise Linux 10.2 Extended Update Support | All versions |
| Red Hat | Red Hat Enterprise Linux 9 | All versions |
| Red Hat | Red Hat Enterprise Linux 9.8 Extended Update Support | All versions |
| Red Hat | Red Hat Hardened Images | All versions |
| Red Hat | Red Hat Enterprise Linux 6 | All versions |
| Red Hat | Red Hat Enterprise Linux 7 | All versions |
| Red Hat | Red Hat Enterprise Linux 8 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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