{"id":"CVE-2026-84968","aliases":["DEBIAN-CVE-2026-84968","EUVD-2026-70644","UBUNTU-CVE-2026-84968"],"status":"published","title":"Heap out-of-bounds read via corrupt nested BSON in field path error message","description":"An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00198,"percentile":0.09598,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2026-09-03T17:03:14Z","modified":"2026-10-28T02:31:02Z","fixes":[{"ecosystem":"Debian:13","package":"php-mongodb","fixed_in":["2.0.0-1+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"php-mongodb","fixed_in":["2.5.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.15.0+1.11.1+1.9.2+1.7.5-1","1.19.3-1","1.19.4-2","1.19.4-3~exp2","1.19.4-3~exp3","1.19.4-3~exp4","1.20.0-1","1.20.1-1","1.21.0-1","2.0.0-1","2.1.0-1","2.5.3-1"]},{"source":"osv","ecosystem":"Debian:13","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0-1+deb13u1"}]}],"versions":["2.0.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-1"}]}],"versions":["2.0.0-1","2.1.0-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.2-2~ubuntu1","1.1.5-1~build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.3-1build1","1.3.4-1build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.5-1build1","1.6.1-4","1.6.1-4build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.0+1.7.5-2build2","1.11.1+1.9.2+1.7.5-4","1.12.0+1.9.2+1.7.5-3","1.12.0+1.9.2+1.7.5-4"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.15.0+1.11.1+1.9.2+1.7.5-1build1","1.15.0+1.11.1+1.9.2+1.7.5-1ubuntu1","1.15.0+1.11.1+1.9.2+1.7.5-1ubuntu2","1.15.0+1.11.1+1.9.2+1.7.5-1ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.7-0ubuntu1","2.1.7-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"php-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.0-1","2.1.7-0ubuntu1"]}],"products":[{"vendor":"mongodb","product":"php driver"},{"vendor":"mongodb","product":"php_driver"},{"vendor":"mongodb inc.","product":"php driver"}],"references":[{"url":"https://jira.mongodb.org/browse/PHPC-2744","tags":["Vendor Advisory","web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84968.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84968","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-84968","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-84968","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-84968","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-84968","title":"Heap out-of-bounds read via corrupt nested BSON in field path error message","description":"An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.","status":"published","published":"2026-09-03T17:03:14.139Z","modified":"2026-09-04T15:29:52.846Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:08.009733Z"}],"euvd":[{"id":"EUVD-2026-70644","description":"An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.","status":"published","published":"2026-09-03T17:03:14Z","modified":"2026-09-04T15:29:52Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:12.302717Z"}],"nvd":[{"id":"CVE-2026-84968","description":"An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.","status":"published","published":"2026-09-03T18:17:33.01Z","modified":"2026-09-10T20:39:21.967Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:43.399612Z"}],"osv":[{"id":"CVE-2026-84968","title":"Heap out-of-bounds read via corrupt nested BSON in field path error message","description":"An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.","status":"published","published":"2026-09-03T17:03:14.139Z","modified":"2026-10-28T02:31:02.257734235Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:45:18.482949Z"},{"id":"DEBIAN-CVE-2026-84968","description":"An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.","status":"published","published":"2026-09-03T18:17:33.01Z","modified":"2026-10-06T06:00:07.224607501Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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","level":"medium"}],"updated_at":"2026-11-02T15:46:05.022702Z"},{"id":"UBUNTU-CVE-2026-84968","description":"An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.","status":"published","published":"2026-09-03T18:17:00Z","modified":"2026-10-17T13:01:13.472749777Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:57:24.828975Z"}]}}