In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.
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Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-01-16. NVD baseline CVSS 7.1; sources differ by 0.0.
In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.
January 16, 2026
April 15, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.
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Red Hat Security Advisory: Red Hat build of OpenTelemetry 3.5.0 release
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libkrb5support0 (1.21.3-3ubuntu0.2) @ oracular | 2026-05-21 | ubuntu |
| redhat | discovery/discovery-ui-rhel9:1.14.2-1748467619 | 2025-06-02 | redhat |
| redhat | krb5-0:1.21.1-6.el9 | 2025-05-13 | redhat |
| redhat | rhosdt/opentelemetry-target-allocator-rhel8:rhosdt-3.5 | 2025-03-13 | redhat |
| redhat | krb5-0:1.18.2-31.el8_10 | 2025-03-13 | redhat |
| redhat | krb5-0:1.15.1-55.el7_9.4 | 2025-02-12 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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msrc · redhat
CWE-190