{"id":"OESA-2026-1745","summary":"mongo-c-driver security update","details":"mongo-c-driver is a project that includes two libraries: libmongoc, a client library\nwritten in C for MongoDB. libbson, a library providing useful routines related to\nbuilding, parsing, and iterating BSON documents.\r\n\r\nSecurity Fix(es):\n\nA mongoc_bulk_operation_t may read invalid memory if large options are passed.(CVE-2025-12119)\n\nA 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.(CVE-2026-4359)","modified":"2026-08-18T01:19:42.820741577Z","published":"2026-03-27T11:10:46Z","upstream":["CVE-2025-12119","CVE-2026-4359"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1745"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12119"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4359"}],"affected":[{"package":{"name":"mongo-c-driver","ecosystem":"openEuler:20.03-LTS-SP4","purl":"pkg:rpm/openEuler/mongo-c-driver&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.27.4-2.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["libbson-1.27.4-2.oe2003sp4.aarch64.rpm","libbson-devel-1.27.4-2.oe2003sp4.aarch64.rpm","mongo-c-driver-1.27.4-2.oe2003sp4.aarch64.rpm","mongo-c-driver-debuginfo-1.27.4-2.oe2003sp4.aarch64.rpm","mongo-c-driver-debugsource-1.27.4-2.oe2003sp4.aarch64.rpm","mongo-c-driver-devel-1.27.4-2.oe2003sp4.aarch64.rpm","mongo-c-driver-help-1.27.4-2.oe2003sp4.aarch64.rpm"],"src":["mongo-c-driver-1.27.4-2.oe2003sp4.src.rpm"],"x86_64":["libbson-1.27.4-2.oe2003sp4.x86_64.rpm","libbson-devel-1.27.4-2.oe2003sp4.x86_64.rpm","mongo-c-driver-1.27.4-2.oe2003sp4.x86_64.rpm","mongo-c-driver-debuginfo-1.27.4-2.oe2003sp4.x86_64.rpm","mongo-c-driver-debugsource-1.27.4-2.oe2003sp4.x86_64.rpm","mongo-c-driver-devel-1.27.4-2.oe2003sp4.x86_64.rpm","mongo-c-driver-help-1.27.4-2.oe2003sp4.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-1745.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}