CVE-2023-39975
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 1.5%
exploitation probability
1.5%top 27% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
n/a · n/aReferences
https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-finalhttps://security.netapp.com/advisory/ntap-20230915-0014/https://security.netapp.com/advisory/ntap-20240201-0005/https://security.netapp.com/advisory/ntap-20240201-0008/https://web.mit.edu/kerberos/www/advisories/