{"schema_version":"1.7.5","id":"CVE-2019-6778","published":"2019-03-21T16:01:10.203Z","modified":"2026-07-08T05:56:28.731493532Z","related":["SUSE-SU-2019:0423-1","SUSE-SU-2019:0435-1","SUSE-SU-2019:0457-1","SUSE-SU-2019:0471-1","SUSE-SU-2019:0471-2","SUSE-SU-2019:0489-1","SUSE-SU-2019:0582-1","SUSE-SU-2019:0825-1","SUSE-SU-2019:0827-1","SUSE-SU-2019:0891-1","SUSE-SU-2019:0921-1","SUSE-SU-2019:13962-1","SUSE-SU-2019:14001-1","SUSE-SU-2019:14011-1","SUSE-SU-2019:2223-1","SUSE-SU-2020:0844-1","SUSE-SU-2020:0845-1","SUSE-SU-2020:14396-1","SUSE-SU-2020:1501-1","SUSE-SU-2020:1514-1","SUSE-SU-2020:1523-1","SUSE-SU-2020:1526-1","SUSE-SU-2020:1538-1","SUSE-SU-2021:14706-1","openSUSE-SU-2019:0254-1","openSUSE-SU-2019:2044-1","openSUSE-SU-2020:0468-1","openSUSE-SU-2024:11287-1","openSUSE-SU-2024:11387-1"],"details":"In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"38441756b70eec5807b5f60dad11a93a91199866"},{"last_affected":"38441756b70eec5807b5f60dad11a93a91199866"}],"database_specific":{"cpe":"cpe:2.3:a:qemu:qemu:3.0.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.0.0"}],"source":"CPE_STRING"}}],"versions":["3.0.0","v3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6778.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"38441756b70eec5807b5f60dad11a93a91199866"},{"last_affected":"38441756b70eec5807b5f60dad11a93a91199866"}],"database_specific":{"cpe":"cpe:2.3:a:qemu:qemu:3.0.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.0.0"}],"source":"CPE_STRING"}}],"versions":["3.0.0","v3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6778.json"}}],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00001.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/"},{"type":"WEB","url":"https://seclists.org/bugtraq/2019/May/76"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106758"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1883"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1968"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2425"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2892"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3923-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4454"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2019/01/24/5"},{"type":"FIX","url":"https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg03132.html"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"14.04"},{"last_affected":"14.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"18.10"},{"last_affected":"18.10"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"29"},{"last_affected":"29"},{"introduced":"30"},{"last_affected":"30"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"},{"cpes":["cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0"},{"last_affected":"15.0"},{"introduced":"42.3"},{"last_affected":"42.3"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}