| Package | Affected versions | Patched versions |
|---|---|---|
| c driver | ≥ 1.10.0, < 1.30.10≥ 2.2.0, < 2.5.3 | 1.30.102.5.3 |
A size check in the client-side authentication path of the MongoDB C Driver can wrap around, so an unusually large user-name value is accepted and copied past the end of a small buffer. A party able to set the driver's connection settings may cause the application that embeds the driver to terminate unexpectedly. Reaching this code requires a build in which the optional external SASL authentication backend is present and a connection configured to use it.
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