{"id":"UBUNTU-CVE-2014-0143","details":"Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.","modified":"2026-02-04T03:36:51.505707Z","published":"2014-03-26T00:00:00Z","withdrawn":"2025-07-18T16:42:58Z","related":["USN-2342-1"],"upstream":["CVE-2014-0143"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-0143"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2014/03/26"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2342-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-0143"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/qemu@2.0.0~rc1+dfsg-0ubuntu3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0~rc1+dfsg-0ubuntu3"}]}],"versions":["1.5.0+dfsg-3ubuntu5","1.5.0+dfsg-3ubuntu6","1.6.0+dfsg-2ubuntu1","1.6.0+dfsg-2ubuntu2","1.6.0+dfsg-2ubuntu3","1.6.0+dfsg-2ubuntu4","1.7.0+dfsg-2ubuntu1","1.7.0+dfsg-2ubuntu2","1.7.0+dfsg-2ubuntu3","1.7.0+dfsg-2ubuntu4","1.7.0+dfsg-2ubuntu5","1.7.0+dfsg-2ubuntu7","1.7.0+dfsg-2ubuntu8","1.7.0+dfsg-2ubuntu9","1.7.0+dfsg-3ubuntu1~ppa1","1.7.0+dfsg-3ubuntu1","1.7.0+dfsg-3ubuntu2","1.7.0+dfsg-3ubuntu3","1.7.0+dfsg-3ubuntu4","1.7.0+dfsg-3ubuntu5","1.7.0+dfsg-3ubuntu6","1.7.0+dfsg-3ubuntu7","2.0.0~rc1+dfsg-0ubuntu1","2.0.0~rc1+dfsg-0ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-common"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-guest-agent"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-keymaps"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-kvm"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-aarch64"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-arm"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-common"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-mips"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-misc"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-ppc"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-sparc"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-system-x86"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-user"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-user-static"},{"binary_version":"2.0.0~rc1+dfsg-0ubuntu3","binary_name":"qemu-utils"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-0143.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}