{"api_version":"1","generated_at":"2026-04-22T19:59:34+00:00","cve":"CVE-2020-12049","urls":{"html":"https://cve.report/CVE-2020-12049","api":"https://cve.report/api/cve/CVE-2020-12049.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-12049","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-12049"},"summary":{"title":"CVE-2020-12049","description":"An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-06-08 17:15:00","updated_at":"2023-06-12 07:15:00"},"problem_types":["CWE-404"],"metrics":[],"references":[{"url":"https://security.gentoo.org/glsa/202007-46","name":"GLSA-202007-46","refsource":"GENTOO","tags":["Third Party Advisory"],"title":"D-Bus: Denial of service (GLSA 202007-46) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16","name":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16","refsource":"MISC","tags":["Third Party Advisory"],"title":"dbus-1.13.16 · Tags · dbus / dbus · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18","name":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18","refsource":"MISC","tags":["Third Party Advisory"],"title":"dbus-1.12.18 · Tags · dbus / dbus · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30","name":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30","refsource":"MISC","tags":["Third Party Advisory"],"title":"dbus-1.10.30 · Tags · dbus / dbus · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4398-1/","name":"USN-4398-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-4398-1: DBus vulnerability | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://gitlab.freedesktop.org/dbus/dbus/-/issues/294","name":"https://gitlab.freedesktop.org/dbus/dbus/-/issues/294","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"CVE-2020-12049: File descriptor leak in _dbus_read_socket_with_unix_fds (#294) · Issues · dbus / dbus · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4398-2/","name":"USN-4398-2","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-4398-2: DBus vulnerability | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html","name":"http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html","refsource":"MISC","tags":[],"title":"D-Bus File Descriptor Leak Denial Of Service ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2020/06/04/3","name":"http://www.openwall.com/lists/oss-security/2020/06/04/3","refsource":"CONFIRM","tags":["Mailing List","Patch","Third Party Advisory"],"title":"oss-security - CVE-2020-12049: dbus: denial of service via file descriptor leak","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak","name":"https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"GHSL-2020-057: dbus file descriptor leak (DoS) - CVE-2020-12049 - GitHub Security Lab","mime":"text/html","httpstatus":"404","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12049","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12049","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"esm","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"19.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"20.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"esm","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"19.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"20.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"freedesktop","cpe5":"dbus","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"12049","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"freedesktop","cpe5":"dbus","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-12049","qid":"296071","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 27.82.1 Missing (CPUOCT2020)"},{"cve":"CVE-2020-12049","qid":"354106","title":"Amazon Linux Security Advisory for dbus : ALAS2-2022-1870"},{"cve":"CVE-2020-12049","qid":"375777","title":"F5 BIG-IP Application Security Manager(ASM), Local Traffic Manager(LTM),Access Policy Manager(APM) D-Bus Vulnerability (K16729408)"},{"cve":"CVE-2020-12049","qid":"377017","title":"Alibaba Cloud Linux Security Update for dbus (ALINUX2-SA-2020:0105)"},{"cve":"CVE-2020-12049","qid":"377142","title":"Alibaba Cloud Linux Security Update for dbus (ALINUX3-SA-2022:0097)"},{"cve":"CVE-2020-12049","qid":"500144","title":"Alpine Linux Security Update for dbus"},{"cve":"CVE-2020-12049","qid":"503794","title":"Alpine Linux Security Update for dbus"},{"cve":"CVE-2020-12049","qid":"6140259","title":"AWS Bottlerocket Security Update for dbus (GHSA-v99w-84vx-mgw6)"},{"cve":"CVE-2020-12049","qid":"750870","title":"SUSE Enterprise Linux Security Update for dbus-1 (SUSE-SU-2021:2424-1)"},{"cve":"CVE-2020-12049","qid":"750895","title":"SUSE Enterprise Linux Security Update for dbus-1 (SUSE-SU-2021:2470-1)"},{"cve":"CVE-2020-12049","qid":"750909","title":"SUSE Enterprise Linux Security Update for dbus-1 (SUSE-SU-2021:2590-1)"},{"cve":"CVE-2020-12049","qid":"751004","title":"OpenSUSE Security Update for dbus-1 (openSUSE-SU-2021:2810-1)"},{"cve":"CVE-2020-12049","qid":"751052","title":"OpenSUSE Security Update for dbus-1 (openSUSE-SU-2021:1204-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-12049","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://gitlab.freedesktop.org/dbus/dbus/-/issues/294","refsource":"MISC","name":"https://gitlab.freedesktop.org/dbus/dbus/-/issues/294"},{"url":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16","refsource":"MISC","name":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16"},{"refsource":"CONFIRM","name":"http://www.openwall.com/lists/oss-security/2020/06/04/3","url":"http://www.openwall.com/lists/oss-security/2020/06/04/3"},{"refsource":"MISC","name":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18","url":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18"},{"refsource":"MISC","name":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30","url":"https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30"},{"refsource":"UBUNTU","name":"USN-4398-1","url":"https://usn.ubuntu.com/4398-1/"},{"refsource":"UBUNTU","name":"USN-4398-2","url":"https://usn.ubuntu.com/4398-2/"},{"refsource":"GENTOO","name":"GLSA-202007-46","url":"https://security.gentoo.org/glsa/202007-46"},{"refsource":"MISC","name":"https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak","url":"https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak"},{"refsource":"MISC","name":"http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html","url":"http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html"}]}},"nvd":{"publishedDate":"2020-06-08 17:15:00","lastModifiedDate":"2023-06-12 07:15:00","problem_types":["CWE-404"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE","baseScore":4.9},"severity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:*","versionStartIncluding":"1.3.0","versionEndExcluding":"1.12.18","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"12049","Ordinal":"173187","Title":"CVE-2020-12049","CVE":"CVE-2020-12049","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"12049","Ordinal":"1","NoteData":"An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"12049","Ordinal":"2","NoteData":"2020-06-08","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"12049","Ordinal":"3","NoteData":"2021-02-21","Type":"Other","Title":"Modified"}]}}}