{"id":"CVE-2007-6261","aliases":["EUVD-2007-6229","GHSA-mhcr-j4x3-h5xc"],"status":"published","title":"Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu...","description":"Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu kernel in Apple Mac OS X 10.4 through 10.5.1 allows local users to cause a denial of service (infinite loop) via a crafted Mach-O binary.","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00783,"percentile":0.56266,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-189"],"published":"2007-12-06T02:00:00Z","modified":"2026-06-16T22:47:42Z","exploits":[{"source":"exploitdb","id":"EDB-4689","title":"Apple Mac OSX xnu 1228.0 - 'mach-o' Local Kernel Denial of Service (PoC)","type":"dos","platform":"osx","date":"2007-12-04","verified":true,"url":"https://www.exploit-db.com/exploits/4689"}],"products":[{"vendor":"apple","product":"mac_os_x"}],"references":[{"url":"http://secunia.com/advisories/27884","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/38854","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/26700","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.digit-labs.org/files/exploits/xnu-macho-dos.c","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.vupen.com/english/advisories/2007/4095","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-6261"},{"url":"https://github.com/advisories/GHSA-mhcr-j4x3-h5xc"}],"sources":{"cve":[{"id":"CVE-2007-6261","description":"Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu kernel in Apple Mac OS X 10.4 through 10.5.1 allows local users to cause a denial of service (infinite loop) via a crafted Mach-O binary.","status":"published","published":"2007-12-06T02:00:00Z","modified":"2024-08-07T16:02:35.997Z","updated_at":"2026-11-02T13:33:07.91528Z"}],"euvd":[{"id":"EUVD-2007-6229","description":"Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu kernel in Apple Mac OS X 10.4 through 10.5.1 allows local users to cause a denial of service (infinite loop) via a crafted Mach-O binary.","status":"published","published":"2007-12-06T02:00:00Z","modified":"2024-08-07T16:02:35Z","updated_at":"2026-11-03T01:16:13.781034Z"}],"ghsa":[{"id":"GHSA-mhcr-j4x3-h5xc","title":"Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu...","description":"Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu kernel in Apple Mac OS X 10.4 through 10.5.1 allows local users to cause a denial of service (infinite loop) via a crafted Mach-O binary.","status":"published","published":"2022-05-01T18:41:12Z","modified":"2023-01-31T05:05:20Z","updated_at":"2026-11-02T14:48:50.036667Z"}],"nvd":[{"id":"CVE-2007-6261","description":"Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu kernel in Apple Mac OS X 10.4 through 10.5.1 allows local users to cause a denial of service (infinite loop) via a crafted Mach-O binary.","status":"published","published":"2007-12-06T02:46:00Z","modified":"2026-06-16T22:47:42.463Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:23.208914Z"}]}}