Medium severity5.9NVD Advisory· Published Sep 3, 2026· Updated Sep 3, 2026
CVE-2026-84964
CVE-2026-84964
Description
A double free in the OpenSSL-based TLS certificate revocation checking path of the MongoDB C Driver can be reached by a TLS endpoint that the client already trusts. During the handshake, specially formed certificate data can cause the same heap object to be released twice. An unauthenticated party acting as the trusted endpoint may cause the connecting client application to terminate unexpectedly.
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Affected products
1Patches
Vulnerability mechanics
References
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