{"id":"CVE-2019-6778","details":"In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.","modified":"2026-04-10T04:19:54.045871Z","published":"2019-03-21T16:01:10.203Z","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"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/"},{"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://seclists.org/bugtraq/2019/May/76"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2425"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.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-2019:2892"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3923-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4454"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html"},{"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"0"},{"last_affected":"38441756b70eec5807b5f60dad11a93a91199866"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.0.0"}]}}],"versions":["v0.1.0","v0.1.1","v0.1.3","v0.1.4","v0.1.5","v0.1.6","v0.11.0-rc0","v0.12.0-rc0","v0.13.0-rc0","v0.14.0-rc0","v0.2.0","v0.3.0","v0.4.0","v0.4.1","v0.4.2","v0.4.3","v0.4.4","v0.5.0","v1.0","v1.0-rc0","v1.0-rc1","v1.0-rc2","v1.0-rc3","v1.0-rc4","v1.1-rc0","v1.1-rc1","v1.1-rc2","v1.1.0","v1.1.0-rc2","v1.1.0-rc3","v1.1.0-rc4","v1.2.0","v1.2.0-rc0","v1.2.0-rc1","v1.2.0-rc2","v1.2.0-rc3","v1.3.0","v1.3.0-rc0","v1.3.0-rc1","v1.3.0-rc2","v1.4.0","v1.4.0-rc0","v1.4.0-rc1","v1.4.0-rc2","v1.5.0","v1.5.0-rc0","v1.5.0-rc1","v1.5.0-rc2","v1.5.0-rc3","v1.6.0","v1.6.0-rc0","v1.6.0-rc1","v1.6.0-rc2","v1.6.0-rc3","v1.7.0","v1.7.0-rc0","v1.7.0-rc1","v1.7.0-rc2","v2.0.0","v2.0.0-rc0","v2.0.0-rc1","v2.0.0-rc2","v2.0.0-rc3","v2.1.0","v2.1.0-rc0","v2.1.0-rc1","v2.1.0-rc2","v2.1.0-rc3","v2.1.0-rc4","v2.1.0-rc5","v2.10.0","v2.10.0-rc0","v2.10.0-rc1","v2.10.0-rc2","v2.10.0-rc3","v2.10.0-rc4","v2.11.0","v2.11.0-rc0","v2.11.0-rc1","v2.11.0-rc2","v2.11.0-rc3","v2.11.0-rc4","v2.11.0-rc5","v2.12.0","v2.12.0-rc0","v2.12.0-rc1","v2.12.0-rc2","v2.12.0-rc3","v2.12.0-rc4","v2.2.0","v2.2.0-rc0","v2.2.0-rc1","v2.2.0-rc2","v2.2.0-rc3","v2.2.0-rc4","v2.2.0-rc5","v2.3.0","v2.3.0-rc0","v2.3.0-rc1","v2.3.0-rc2","v2.3.0-rc3","v2.3.0-rc4","v2.4.0","v2.4.0-rc0","v2.4.0-rc1","v2.4.0-rc2","v2.4.0-rc3","v2.4.0-rc4","v2.5.0","v2.5.0-rc0","v2.5.0-rc1","v2.5.0-rc2","v2.5.0-rc3","v2.5.0-rc4","v2.6.0","v2.6.0-rc0","v2.6.0-rc1","v2.6.0-rc2","v2.6.0-rc3","v2.6.0-rc4","v2.6.0-rc5","v2.7.0","v2.7.0-rc0","v2.7.0-rc1","v2.7.0-rc2","v2.7.0-rc3","v2.7.0-rc4","v2.7.0-rc5","v2.8.0","v2.8.0-rc0","v2.8.0-rc1","v2.8.0-rc2","v2.8.0-rc3","v2.8.0-rc4","v2.9.0","v2.9.0-rc0","v2.9.0-rc1","v2.9.0-rc2","v2.9.0-rc3","v2.9.0-rc4","v2.9.0-rc5","v3.0.0","v3.0.0-rc0","v3.0.0-rc1","v3.0.0-rc2","v3.0.0-rc3","v3.0.0-rc4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6778.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"15.0"}]},{"events":[{"introduced":"0"},{"last_affected":"42.3"}]},{"events":[{"introduced":"0"},{"last_affected":"29"}]},{"events":[{"introduced":"0"},{"last_affected":"30"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.10"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}