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A party with no privileges who can place a very large value into data that an application encodes may, depending on how the native extension was built, cause a write outside the bounds of an allocated buffer inside the application's own process.","status":"published","published":"2026-09-24T18:18:13Z","modified":"2026-09-26T03:55:41Z","cvss":[{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:54.622662Z"}],"ghsa":[{"id":"GHSA-v4x9-3549-crwv","title":"PyMongo: PYTHON-5996 Heap out-of-bounds write via signed size overflow in BSON document encoding","description":"An integer overflow in the BSON document encoding component of the MongoDB Python Driver's bundled native extension may occur when a single document is built from an unusually large amount of caller-supplied data. 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A party with no privileges who can place a very large value into data that an application encodes may, depending on how the native extension was built, cause a write outside the bounds of an allocated buffer inside the application's own process.","status":"published","published":"2026-10-15T10:22:46.249312Z","modified":"2026-10-15T14:45:13.512676859Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T15:52:57.671918Z"},{"id":"UBUNTU-CVE-2026-96749","description":"An integer overflow in the BSON document encoding component of the MongoDB Python Driver's bundled native extension may occur when a single document is built from an unusually large amount of caller-supplied data. Size arithmetic is performed in a signed 32-bit type, and the guard meant to catch the overflow is written in a form whose behavior is not defined by the C language standard. A party with no privileges who can place a very large value into data that an application encodes may, depending on how the native extension was built, cause a write outside the bounds of an allocated buffer inside the application's own process.","status":"published","published":"2026-09-24T19:17:00Z","modified":"2026-10-17T13:01:20.15869288Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:57:44.071534Z"},{"id":"AZL-105110","title":"CVE-2026-96749 affecting package python-pymongo 4.2.0-9","description":"An integer overflow in the BSON document encoding component of the MongoDB Python Driver's bundled native extension may occur when a single document is built from an unusually large amount of caller-supplied data. Size arithmetic is performed in a signed 32-bit type, and the guard meant to catch the overflow is written in a form whose behavior is not defined by the C language standard. A party with no privileges who can place a very large value into data that an application encodes may, depending on how the native extension was built, cause a write outside the bounds of an allocated buffer inside the application's own process.","status":"published","published":"2026-09-24T19:17:20Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:17.719431Z"},{"id":"CLSA-2026-1792396649","title":"TuxCare security update for pymongo (2 CVEs)","description":"TuxCare rebuilt pymongo to address 2 CVEs. Fixed in 3.13.0.post2+tuxcare.","status":"published","published":"2026-10-19T07:57:29Z","modified":"2026-10-19T13:30:08.108243288Z","updated_at":"2026-11-02T15:43:54.119956Z"},{"id":"openSUSE-SU-2026:11935-1","title":"python313-pymongo-4.18.2-1.1 on GA media","description":"These are all security issues fixed in the python313-pymongo-4.18.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-30T00:00:00Z","modified":"2026-10-01T11:15:05.947097531Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"openSUSE-SU-2026:22003-1","title":"Security update for python-pymongo","description":"This update for python-pymongo fixes the following issues:\n\nChanges in python-pymongo:\n\n- CVE-2026-96749: integer overflow in BSON document encoding allows an\n  unprivileged user to write outside the bounds of an allocated buffer\n  (bsc#1282845)\n- CVE-2026-96748: host injection in connection string leading to\n  database connection redirection due to improper connection string\n  parsing (bsc#1282827)\n- CVE-2026-96747: improper handling of key management endpoint values\n  ending in `.sock` allows users with write access to the encryption\n  key metadata to open connections to local sockets on the application\n  host (bsc#1282844)\n","status":"published","published":"2026-09-29T16:36:21Z","modified":"2026-10-01T18:23:10.973972697Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:4398-1","title":"Security update for python-pymongo","description":"This update for python-pymongo fixes the following issues:\n\n- CVE-2026-96747: improper handling of key management endpoint values ending in `.sock` allows users with write access\n  to the encryption key metadata to open connections to local sockets on the application host (bsc#1282844).\n- CVE-2026-96748: host injection in connection string leading to database connection redirection due to improper\n  connection string parsing (bsc#1282827).\n- CVE-2026-96749: integer overflow in BSON document encoding allows an unprivileged user to write outside the bounds of\n  an allocated buffer (bsc#1282845).\n","status":"published","published":"2026-09-29T16:18:54Z","modified":"2026-09-30T12:00:04.5984393Z","updated_at":"2026-11-02T15:54:05.838224Z"}]}}