Description
kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.
Published: 2023-08-16
Score: 8.8 High
EPSS: 1.2% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 26 Feb 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Mit Kerberos 5
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-25T17:20:11.934Z

Reserved: 2023-08-07T00:00:00.000Z

Link: CVE-2023-39975

cve-icon Vulnrichment

Updated: 2024-08-02T18:18:10.190Z

cve-icon NVD

Status : Modified

Published: 2023-08-16T15:15:11.277

Modified: 2026-02-25T18:17:00.820

Link: CVE-2023-39975

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-08-16T00:00:00Z

Links: CVE-2023-39975 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses