VULNERABILITY INTELLIGENCE

CVE-2023-39975

CVSS score8.8 HIGH
EPSS probability1.47%
CISA KEVNot currently listed
Published2023-08-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-415
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-415

Primary references