{"id":"CVE-2025-32366","aliases":["DEBIAN-CVE-2025-32366","EUVD-2025-9924","GHSA-9j63-jqr8-fh2v","UBUNTU-CVE-2025-32366"],"status":"published","title":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR...","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00407,"percentile":0.35496,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-130"],"published":"2025-04-05T00:00:00Z","modified":"2026-10-17T12:57:28Z","fixes":[{"ecosystem":"Debian:13","package":"connman","fixed_in":["1.44-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"connman","fixed_in":["1.44-3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.41-3","1.42-1","1.42-2","1.42-3","1.42-4","1.42-5","1.43-1","1.44-1","1.44-2","1.44-3","1.45-1","1.45-2","1.45-3","2.0-1","2.0-2"]},{"source":"osv","ecosystem":"Debian:13","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.44-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.44-3"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.21-1.2","1.21-1.2build1","1.21-1.2build2","1.21-1.2+deb8u1build0.16.04.1","1.21-1.2+deb8u1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.35-1","1.35-2","1.35-6","1.35-6ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.36-2build1","1.36-2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.36-2.2build1","1.36-2.3","1.36-2.3build1","1.36-2.3ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.41-3","1.42-1","1.42-3","1.42-5","1.42-5build2","1.42-5build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.43-1","1.44-1","1.44-2","1.44-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.45-3","2.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"connman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.44-3","1.45-2","1.45-3"]}],"products":[{"vendor":"connman","product":"connman"}],"references":[{"url":"https://web.git.kernel.org/pub/scm/network/connman/connman.git/tree/src/dnsproxy.c?h=1.44#n1001","tags":["web","report"]},{"url":"https://web.git.kernel.org/pub/scm/network/connman/connman.git/tree/src/dnsproxy.c?h=1.44#n988","tags":["web","report"]},{"url":"https://lapis-sawfish-be3.notion.site/0-day-Comman-memory-Leak-190dc00d01d080688472d322c93c4340","tags":["web"]},{"url":"https://web.archive.org/web/20250410130356/https://lapis-sawfish-be3.notion.site/0-day-Comman-memory-Leak-190dc00d01d080688472d322c93c4340","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-32366"},{"url":"https://github.com/advisories/GHSA-9j63-jqr8-fh2v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-32366","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-32366","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-32366","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-32366","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.","status":"published","published":"2025-04-05T00:00:00Z","modified":"2025-04-15T15:15:06.273Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:32:46.42892Z"}],"euvd":[{"id":"EUVD-2025-9924","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.","status":"published","published":"2025-04-05T00:00:00Z","modified":"2025-04-15T15:15:06Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T20:52:28.317823Z"}],"ghsa":[{"id":"GHSA-9j63-jqr8-fh2v","title":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR...","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen).","status":"published","published":"2025-04-07T15:31:12Z","modified":"2025-04-11T18:31:45Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T15:01:16.95233Z"}],"nvd":[{"id":"CVE-2025-32366","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.","status":"published","published":"2025-04-05T23:15:40.91Z","modified":"2026-06-17T09:11:53.067Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:10:59.48027Z"}],"osv":[{"id":"DEBIAN-CVE-2025-32366","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.","status":"published","published":"2025-04-05T23:15:40.91Z","modified":"2026-09-01T20:05:45.886681243Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:45.870237Z"},{"id":"UBUNTU-CVE-2025-32366","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.","status":"published","published":"2025-04-05T23:15:00Z","modified":"2026-10-17T12:57:28.058927719Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T16:55:28.829873Z"},{"id":"CVE-2025-32366","description":"In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr-\u003erdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.","status":"published","published":"2025-04-05T23:15:40Z","modified":"2026-04-10T05:25:09.845398Z","updated_at":"2026-11-02T15:44:48.02508Z"}]}}