{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/products/c-driver/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":7.1,"id":"CVE-2026-120956"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["C Driver"],"_cs_severities":["medium"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":["MongoDB"],"content_html":"\u003cp\u003eThe MongoDB C Driver lacks validation for the type and format of 'namespace' fields returned by a MongoDB server. An unauthenticated attacker-controlled MongoDB endpoint can exploit this by returning a malformed namespace value in a query response. This results in either a process termination (denial of service) or an out-of-bounds memory read, leading to the leakage of the client application's uninitialized heap memory via subsequent commands. The impact is isolated to the client application process embedding the vulnerable driver.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eConfirmed impacts include process termination (Denial of Service) and the potential exposure of sensitive data stored in uninitialized heap memory to a malicious server endpoint.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInventory all internal applications and services that utilize the MongoDB C Driver.\u003c/li\u003e\n\u003cli\u003ePrioritize updates to the driver as soon as a patch is released by MongoDB to address the lack of input validation.\u003c/li\u003e\n\u003cli\u003eMonitor client applications for unexpected crashes or error patterns that correlate with MongoDB connectivity.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-11-03T20:02:49Z","date_published":"2026-11-03T20:02:49Z","id":"https://feed.craftedsignal.io/briefs/2026-11-mongodb-c-driver-memory-disclosure/","summary":"The MongoDB C Driver fails to validate server-provided namespace fields, allowing an unauthenticated malicious MongoDB endpoint to trigger a process crash or cause the driver to disclose uninitialized heap memory.","title":"MongoDB C Driver: Out-of-bounds heap memory disclosure (CVE-2026-120956)","url":"https://feed.craftedsignal.io/briefs/2026-11-mongodb-c-driver-memory-disclosure/"}],"language":"en","title":"CraftedSignal Threat Feed - C Driver","version":"https://jsonfeed.org/version/1.1"}