Bug 2548202 (CVE-2026-107324)

Summary: CVE-2026-107324 go.mongodb.org/mongo-driver: MongoDB Go Driver: Denial of Service via integer overflow in BSON processing
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in the MongoDB Go Driver. An unauthenticated attacker can cause a Denial of Service (DoS) by supplying a malformed Binary JSON (BSON) document to an affected application. Due to an integer overflow during BSON value-length processing, validating or accessing the malformed input triggers a runtime crash that terminates the application process.
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Description OSIDB Bzimport 2026-10-08 19:11:40 UTC 
An integer overflow in BSON value-length handling in the MongoDB Go Driver can cause a runtime panic when an application validates or accesses a malformed BSON document. An unauthenticated actor who can supply BSON bytes to an affected application may terminate an unprotected application process, causing a denial of service. The driver's server-monitoring path contains panic recovery and is limited to server-selection failure.