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CVE-2026-114645

5.7 medium Published
NVD · CVE.org

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 configuration, in conjunction with the affected authentication mechanism, can cause the driver to write outside the bounds of the allocated buffer. This may result in corruption of client process memory and denial of service of the client application. The issue affects only client builds compiled with the Windows-native authentication backend.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 7

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-29 01:52
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-23 19:45
  3. StatusReceived → PublishedNVD modified 2026-10-22 20:38
  4. References+1 references (now 4)NVD modified 2026-10-22 21:17
  5. StatusPublished → ReceivedNVD modified 2026-10-22 21:17
  6. StatusReceived → PublishedNVD modified 2026-10-22 19:13
  7. First seenCVSS 5.7NVD modified 2026-10-22 19:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4