CVE-2026-104034 - CERT CVE
ID CVE-2026-104034
Sažetak A flaw was found in SSSD. A use-after-free vulnerability exists in the Kerberos Credential Manager (KCM) responder during Kerberos ticket-granting ticket (TGT) renewal, where a deferred callback accesses memory that has already been released. An authenticated local user with a renewable Kerberos ticket can trigger this issue on systems configured with KCM renewal, causing the KCM responder service to crash and resulting in a Denial of Service (DoS).
Reference
CVSS
Base: 4.7
Impact: 3.6
Exploitability:1.0
Pristup
VektorSloženostAutentikacija
LOCAL HIGH LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE NONE HIGH
CVSS vektor CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Zadnje važnije ažuriranje 06-10-2026 - 01:16
Objavljeno 06-10-2026 - 01:16