CVE-2026-112317

Discovered by AISLEPUBLISHEDCWE-772

Description

krb5_ktkdb_get_entry() in lib/kdb/keytab.c in MIT Kerberos 5 (aka krb5) 1.2.8 and later does not free decrypted key material when a post-decryption check fails, which allows remote attackers to cause a denial of service (memory leak in the KDC or kadmind) via requests that repeatedly trigger key decryption failures.

CVSS Base Scores

CVSS v3.1(Primary)
5.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products

VendorProductVersionStatus
Red HatRed Hat Enterprise Linux 10——
Red HatRed Hat Enterprise Linux 6——
Red HatRed Hat Enterprise Linux 7——
Red HatRed Hat Enterprise Linux 8——
Red HatRed Hat Enterprise Linux 9——
Red HatRed Hat Hardened Images——

Credits

  • This issue was discovered by Found by AISLE in partnership with Red Hat.

References