CVE-2026-114645
Description
A flaw was found in mongo-c-driver. An integer wraparound in the Windows-native Kerberos authentication code can occur when an excessively long credential value is supplied in the client connection configuration. An attacker capable of modifying this client configuration can cause the driver to allocate an undersized memory buffer and write outside its bounds. This flaw may result in memory corruption and a Denial of Service (DoS) of the client application.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Integrity
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.
Other
Technical Impact: Unexpected State
Subsequent write operations can produce undefined or unexpected results.
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