Double Free in Heimdal_project Heimdal
CVE-2022-44640
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).
Vulnerability class: Double Free
EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Heimdal_project Heimdal
- Samba
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2022-44640?
- CVE-2022-44640 is a critical-severity vulnerability in Heimdal_project Heimdal, classified under Double Free. CVSS score: 9.8/10. Published 2022-12-25.
- How severe is CVE-2022-44640?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-44640 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.