{"id":"CVE-2026-4359","summary":"Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer","details":"A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver.","modified":"2026-07-15T01:49:02.983826305Z","published":"2026-03-17T19:42:03.476Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"fixed":"2.2.3"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"mongodb","cwe_ids":["CWE-158"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4359.json"},"references":[{"type":"WEB","url":"https://jira.mongodb.org/browse/CDRIVER-6251"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4359.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4359"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mongodb/mongo-c-driver","events":[{"introduced":"0"},{"fixed":"57dba9c04991e38124022e0f16c50b87bd9b29a1"},{"introduced":"9ad750264dbdf6eb23efa6859b7488a8275ae693"},{"fixed":"84f6db082c3f49a496bb891ec345fb0307d975df"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.30.8"},{"introduced":"2.2.0"},{"fixed":"2.2.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:mongodb:*:*"}}],"versions":["2.2.2","1.30.7","2.2.1","2.2.0","1.30.6","1.30.5","1.30.4","1.30.3","1.30.2","1.30.1","1.30.0","1.11.0","1.9.0-rc1","1.9.0-rc0","1.7.0-rc0","1.6.0","1.6.0-rc0","1.5.0-rc4","1.5.0-rc3","1.5.0-rc2","1.5.0-rc1","1.5.0-rc0","1.4.0-beta1","1.3.0","1.3.0-rc0","1.1.11","1.1.10","1.1.9","1.1.8","1.1.7","1.1.6","1.1.5","1.1.4","1.1.2","1.1.0","1.1.0-rc0","1.0.2","1.0.0","0.98.2","0.98.0","0.96.4","0.96.0","0.94.2","0.94.0","0.92.2","0.92.0","0.90.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4359.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}