{"id":"CVE-2019-3812","aliases":["DEBIAN-CVE-2019-3812","DSA-4454-1","EUVD-2019-13435","GHSA-4mh7-g8hh-qp2p","SUSE-SU-2019:1238-1","SUSE-SU-2019:1239-1","UBUNTU-CVE-2019-3812","USN-3923-1","openSUSE-SU-2019:1405-1"],"status":"published","title":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of...","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","severity":{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00433,"percentile":0.3787,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-125"],"published":"2019-02-19T00:00:00Z","modified":"2026-10-24T10:30:22Z","fixes":[{"ecosystem":"Debian:12","package":"qemu","fixed_in":["1:3.1+dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"qemu","fixed_in":["1:3.1+dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"qemu","fixed_in":["1:3.1+dfsg-5"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"qemu","fixed_in":["1:2.11+dfsg-1ubuntu7.12"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.1+dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.1+dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.1+dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.8+dfsg-6+deb9u6"}]}],"versions":["1:2.8+dfsg-6","1:2.8+dfsg-6+deb9u1","1:2.8+dfsg-6+deb9u2","1:2.8+dfsg-6+deb9u3","1:2.8+dfsg-6+deb9u4","1:2.8+dfsg-6+deb9u5"],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux 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15.0","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.2-lp150.7.22.1"}]}],"bundled":8}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"opensuse","product":"leap"},{"vendor":"qemu","product":"qemu"},{"vendor":"the qemu project","product":"qemu"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3812","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"http://www.securityfocus.com/bid/107059","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://usn.ubuntu.com/3923-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00094.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00040.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://www.debian.org/security/2019/dsa-4454","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://seclists.org/bugtraq/2019/May/76","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-3812"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/"},{"url":"https://github.com/advisories/GHSA-4mh7-g8hh-qp2p"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-3812","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191238-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1111331","tags":["report"]},{"url":"https://bugzilla.suse.com/1125721","tags":["report"]},{"url":"https://bugzilla.suse.com/1126455","tags":["report"]},{"url":"https://bugzilla.suse.com/1129622","tags":["report"]},{"url":"https://bugzilla.suse.com/1129962","tags":["report"]},{"url":"https://bugzilla.suse.com/1130675","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12127","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12130","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20815","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11091","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3812","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-8934","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9824","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191239-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-3812","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3923-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-3812","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-16867","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-16872","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-19489","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-20123","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-20124","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-20125","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-20126","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-20191","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-20216","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-6778","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/QGG5FDRTW3N4DP7WJX4MDPGAOAXLSD6M/#QGG5FDRTW3N4DP7WJX4MDPGAOAXLSD6M","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2019-3812","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","status":"published","published":"2019-02-19T14:00:00Z","modified":"2024-08-04T19:19:18.499Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:20:23.048861Z"}],"euvd":[{"id":"EUVD-2019-13435","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","status":"published","published":"2019-02-19T14:00:00Z","modified":"2024-08-04T19:19:18Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:06:54.939848Z"}],"ghsa":[{"id":"GHSA-4mh7-g8hh-qp2p","title":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of...","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","status":"published","published":"2022-05-14T00:59:50Z","modified":"2023-02-13T00:30:55Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T14:54:04.926808Z"}],"nvd":[{"id":"CVE-2019-3812","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","status":"published","published":"2019-02-19T14:29:00.193Z","modified":"2026-06-17T02:35:38.367Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T14:05:04.689371Z"}],"osv":[{"id":"CVE-2019-3812","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","status":"published","published":"2019-02-19T14:29:00.193Z","modified":"2026-10-24T10:30:22.475017979Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:12.363788Z"},{"id":"DEBIAN-CVE-2019-3812","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","status":"published","published":"2019-02-19T14:29:00.193Z","modified":"2026-09-21T07:01:24.043236063Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:32.221385Z"},{"id":"UBUNTU-CVE-2019-3812","description":"QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.","status":"published","published":"2019-02-19T00:00:00Z","modified":"2026-02-04T04:17:00.993225Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:21.213407Z"},{"id":"DSA-4454-1","title":"qemu - security update","status":"published","published":"2019-05-30T00:00:00Z","modified":"2026-03-09T02:10:53.225814Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"openSUSE-SU-2019:1405-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-9824: Fixed an information leak in slirp (bsc#1129622)\n- CVE-2019-8934: Added method to specify whether or not to expose certain ppc64 host\n  information, which can be considered a security issue (bsc#1126455)\n- CVE-2019-3812: Fixed OOB memory access and information leak in virtual monitor interface (bsc#1125721)\n- CVE-2018-20815: Fix DOS possibility in device tree processing (bsc#1130675)\n- Adjust fix for CVE-2019-8934 (bsc#1126455) to match the latest\n  upstream adjustments for the same. Basically now the security fix\n  is to provide a dummy host-model and host-serial value, which\n  overrides getting that value from the host\n- CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091: Added x86 cpu feature 'md-clear' (bsc#1111331)\n\nOther bugs fixed:\n\n- Use a new approach to handling the file input to -smbios option,\n  which accepts either legacy or per-spec formats regardless of the\n  machine type.\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-05-17T06:32:06Z","modified":"2026-02-04T02:17:20.900439Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"SUSE-SU-2019:1238-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\n- CVE-2019-9824: Fixed an information leak in slirp (bsc#1129622)\n- CVE-2019-8934: Added method to specify whether or not to expose certain ppc64 host\n  information, which can be considered a security issue (bsc#1126455)\n- CVE-2019-3812: Fixed OOB memory access and information leak in virtual monitor interface (bsc#1125721)\n- CVE-2018-20815: Fix DOS possibility in device tree processing (bsc#1130675)\n- Adjust fix for CVE-2019-8934 (bsc#1126455) to match the latest\n  upstream adjustments for the same. Basically now the security fix\n  is to provide a dummy host-model and host-serial value, which\n  overrides getting that value from the host\n- CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091: Added x86 cpu feature 'md-clear' (bsc#1111331)\n\nOther bugs fixed:\n\n- Use a new approach to handling the file input to -smbios option,\n  which accepts either legacy or per-spec formats regardless of the\n  machine type.\n- Drop the 'ampersand 0x25 shift altgr' line in pt-br keymap file (bsc#1129962)\n\n","status":"published","published":"2019-05-14T17:03:01Z","modified":"2026-02-04T04:05:26.925605Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:1239-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-9824: Fixed an information leak in slirp (bsc#1129622)\n- CVE-2019-8934: Added method to specify whether or not to expose certain ppc64 host\n  information, which can be considered a security issue (bsc#1126455)\n- CVE-2019-3812: Fixed OOB memory access and information leak in virtual monitor interface (bsc#1125721)\n- CVE-2018-20815: Fix DOS possibility in device tree processing (bsc#1130675)\n- Adjust fix for CVE-2019-8934 (bsc#1126455) to match the latest\n  upstream adjustments for the same. Basically now the security fix\n  is to provide a dummy host-model and host-serial value, which\n  overrides getting that value from the host\n- CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091: Added x86 cpu feature 'md-clear' (bsc#1111331)\n\nOther bugs fixed:\n\n- Use a new approach to handling the file input to -smbios option,\n  which accepts either legacy or per-spec formats regardless of the\n  machine type.\n","status":"published","published":"2019-05-14T17:03:42Z","modified":"2026-02-04T02:36:14.105471Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"USN-3923-1","title":"qemu vulnerabilities","description":"Michael Hanselmann discovered that QEMU incorrectly handled the Media\nTransfer Protocol (MTP). An attacker inside the guest could use this issue\nto read or write arbitrary files and cause a denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 18.10.\n(CVE-2018-16867)\n\nMichael Hanselmann discovered that QEMU incorrectly handled the Media\nTransfer Protocol (MTP). An attacker inside the guest could use this issue\nto read arbitrary files, contrary to expectations. This issue only affected\nUbuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-16872)\n\nZhibin Hu discovered that QEMU incorrectly handled the Plan 9 File System\nsupport. An attacker inside the guest could use this issue to cause QEMU to\ncrash, resulting in a denial of service. (CVE-2018-19489)\n\nLi Quang and Saar Amar discovered multiple issues in the QEMU PVRDMA\ndevice. An attacker inside the guest could use these issues to cause a\ndenial of service, or possibly execute arbitrary code. This issue only\naffected Ubuntu 18.10. These issues were resolved by disabling PVRDMA\nsupport in Ubuntu 18.10. (CVE-2018-20123, CVE-2018-20124, CVE-2018-20125,\nCVE-2018-20126, CVE-2018-20191, CVE-2018-20216)\n\nMichael Hanselmann discovered that QEMU incorrectly handled certain i2c\ncommands. A local attacker could possibly use this issue to read QEMU\nprocess memory. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10.\n(CVE-2019-3812)\n\nIt was discovered that QEMU incorrectly handled the Slirp networking\nback-end. An attacker inside the guest could use this issue to cause QEMU\nto crash, resulting in a denial of service, or possibly execute arbitrary\ncode on the host. In the default installation, when QEMU is used with\nlibvirt, attackers would be isolated by the libvirt AppArmor profile.\n(CVE-2019-6778)\n","status":"published","published":"2019-03-27T12:10:22Z","modified":"2026-02-10T04:41:29Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}