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CVE-2026-106429

Application denial of service via malformed KMS endpoint in MongoDB libmongocrypt PUBLISHED

Description (CNA)

An integer underflow in the KMS endpoint-parsing logic of MongoDB libmongocrypt can cause an allocation failure that terminates the application process. This can occur when an authenticated user modifies a key document in the key vault collection, or when an application accepts a KMS endpoint containing a colon after its path or query during key creation. The issue does not access memory outside its allocated bounds.

Affected (CNA)

Vendor / productVersions
MongoDB / libmongocryptaffected 1.1.0 before 1.20.5

CWE

CWE-191

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.