vulnerability

Oracle Linux: CVE-2023-39975: ELSA-2023-6699: krb5 security and bug fix update (MODERATE)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Aug 16, 2023
Added
Nov 16, 2023
Modified
Dec 3, 2025

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.
A vulnerability was found in MIT krb5, where an authenticated attacker can cause a KDC to free the same pointer twice if it can induce a failure in authorization data handling.

Solutions

oracle-linux-upgrade-krb5-develoracle-linux-upgrade-krb5-libsoracle-linux-upgrade-krb5-pkinitoracle-linux-upgrade-krb5-serveroracle-linux-upgrade-krb5-server-ldaporacle-linux-upgrade-krb5-workstationoracle-linux-upgrade-libkadm5
Title
NEW

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