CVE-2022-44640

CRITICAL

Heimdal < 7.7.1 - Double Free

Title source: rule

Description

Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).

Scores

CVSS v3 9.8
EPSS 0.0184
EPSS Percentile 82.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-415
Status published

Affected Products (2)

heimdal_project/heimdal < 7.7.1
samba/samba < 4.15.3

Timeline

Published Dec 25, 2022
Tracked Since Feb 18, 2026