CVE-2023-39975
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductMit Kerberos
PublishedAug 16, 2023
First seenAug 16, 2023
Weakness typeCWE-415CWE-415
How to fix
Update
- mit kerberos_51.21.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mit kerberos_5 | 1.21 ≤ v < 1.21.2 | 1.21.2 |
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