CVE-2023-39975
- State
- Published
- Severity
- 8.8 High
- Published
- Aug 16, 2023
- Updated
- Feb 25, 2026
- Reserved
- Aug 7, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-415 Double Free
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://web.mit.edu/kerberos/www/advisories/
- https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final
- https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840
- https://security.netapp.com/advisory/ntap-20230915-0014/
- https://security.netapp.com/advisory/ntap-20240201-0008/
- https://security.netapp.com/advisory/ntap-20240201-0005/
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