CVE-2026-11850

CVE-2026-11850

An integer underflow vulnerability was found in MIT krb5 in the berval2tl_data() function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c. The function performs an unsigned subtraction (bv_len - 2) without a prior bounds check. When bv_l…

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11850?
CVE-2026-11850 is a medium-severity vulnerability, classified under Integer Underflow. CVSS score: 5.0/10. Published 2026-06-11.
How severe is CVE-2026-11850?
Medium severity. CVSS v3 base score is 5.0 out of 10.