{"id":"CVE-2007-2455","aliases":["EUVD-2007-2448","GHSA-2q5q-67x8-5hg2"],"status":"published","title":"Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain...","description":"Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain INT instructions, as demonstrated by INT 0xAA; (2) an IRET instruction when an invalid address is at the top of the stack; (3) a malformed MOVNTI instruction, as demonstrated by using a register as a destination; or a write operation to (4) SEGR6 or (5) SEGR7.","severity":{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00598,"percentile":0.48876,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-05-02T17:00:00Z","modified":"2026-06-16T22:39:38Z","products":[{"vendor":"parallels","product":"parallels_desktop"}],"references":[{"url":"http://osvdb.org/41166","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://taviso.decsystem.org/virtsec.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://osvdb.org/41164","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://osvdb.org/41167","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://osvdb.org/41165","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2455"},{"url":"https://github.com/advisories/GHSA-2q5q-67x8-5hg2"}],"sources":{"cve":[{"id":"CVE-2007-2455","description":"Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain INT instructions, as demonstrated by INT 0xAA; (2) an IRET instruction when an invalid address is at the top of the stack; (3) a malformed MOVNTI instruction, as demonstrated by using a register as a destination; or a write operation to (4) SEGR6 or (5) SEGR7.","status":"published","published":"2007-05-02T17:00:00Z","modified":"2024-08-07T13:42:32.669Z","updated_at":"2026-11-02T13:32:34.372976Z"}],"euvd":[{"id":"EUVD-2007-2448","description":"Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain INT instructions, as demonstrated by INT 0xAA; (2) an IRET instruction when an invalid address is at the top of the stack; (3) a malformed MOVNTI instruction, as demonstrated by using a register as a destination; or a write operation to (4) SEGR6 or (5) SEGR7.","status":"published","published":"2007-05-02T17:00:00Z","modified":"2024-08-07T13:42:32Z","updated_at":"2026-11-03T01:38:20.980728Z"}],"ghsa":[{"id":"GHSA-2q5q-67x8-5hg2","title":"Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain...","description":"Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain INT instructions, as demonstrated by INT 0xAA; (2) an IRET instruction when an invalid address is at the top of the stack; (3) a malformed MOVNTI instruction, as demonstrated by using a register as a destination; or a write operation to (4) SEGR6 or (5) SEGR7.","status":"published","published":"2022-05-01T18:03:52Z","modified":"2023-01-31T05:03:53Z","updated_at":"2026-11-02T14:48:33.908905Z"}],"nvd":[{"id":"CVE-2007-2455","description":"Parallels allows local users to cause a denial of service (virtual machine abort) via (1) certain INT instructions, as demonstrated by INT 0xAA; (2) an IRET instruction when an invalid address is at the top of the stack; (3) a malformed MOVNTI instruction, as demonstrated by using a register as a destination; or a write operation to (4) SEGR6 or (5) SEGR7.","status":"published","published":"2007-05-02T17:19:00Z","modified":"2026-06-16T22:39:38.563Z","cvss":[{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:15.696607Z"}]}}