CVE-2023-39975

—

CVSS 3.1

8.8 high

EPSS

1%p72

Published

Aug 16, 2023 (Aug 16, 2023)

Modified

Jun 17, 2026

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.

Vendors: mit
Products: kerberos 5
Weakness: CWE-415
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

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