Double Free in Mit Kerberos_5
CVE-2023-39975
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.
Vulnerability class: Double Free
EPSS: 0.012 (65.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mit Kerberos_5
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Patch)
- cve@mitre.org (Patch)
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
Frequently asked questions
- What is CVE-2023-39975?
- CVE-2023-39975 is a high-severity vulnerability in Mit Kerberos_5, classified under Double Free. CVSS score: 8.8/10. Published 2023-08-16.
- How severe is CVE-2023-39975?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-39975 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.