Medium severity6.5NVD Advisory· Published Sep 3, 2026· Updated Sep 17, 2026
CVE-2026-84971
CVE-2026-84971
Description
Improper handling of an unexpected value size in the decryption path of a client-side encryption library can cause a failed internal check that terminates the process using the library. A party able to place a suitably formed encrypted value where an application will decrypt it, or able to control the responses the application receives, may cause that application to stop running.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
1- jira.mongodb.org/browse/MONGOCRYPT-971nvdVendor AdvisoryIssue TrackingPatch
News mentions
1- MongoDB: Ten Driver and Extension Vulnerabilities Disclosed TogetherVypr Intelligence · Sep 3, 2026