CVE-2026-114645 Heap overflow via 32-bit length wrap of the URI username in Windows Kerberos auth message wrapping

A 32-bit integer wraparound in the MongoDB C Driver's Windows-only Kerberos/SSPI authentication code can cause an undersized heap buffer to be allocated when an excessively long credential value is supplied in the client's connection configuration. A party able to control that client-side...

CVE-2026-114645

The MongoDB C Driver is vulnerable to a heap buffer overflow in its Windows-only Kerberos/SSPI authentication code. A 32-bit integer wraparound occurs when an excessively long credential value is provided in the client's connection configuration, leading to the allocation of an undersized heap bu...