{"id":"CVE-2009-1236","aliases":["EUVD-2009-1235","GHSA-9p6w-24v2-vpv6"],"status":"published","title":"Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on...","description":"Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allows remote attackers to cause a denial of service (system crash) via a ZIP NOTIFY (aka ZIPOP_NOTIFY) packet that overwrites a certain ifPort structure member.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.08414,"percentile":0.95028,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2009-04-02T17:00:00Z","modified":"2026-06-16T23:06:49Z","exploits":[{"source":"exploitdb","id":"EDB-8262","title":"Apple Mac OSX xnu 1228.3.13 - 'zip-notify' Remote Kernel Overflow (PoC)","type":"dos","platform":"osx","date":"2009-03-23","verified":true,"url":"https://www.exploit-db.com/exploits/8262"}],"products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"mac_os_x_server"}],"references":[{"url":"http://www.securityfocus.com/bid/34201","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/34424","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.digit-labs.org/files/exploits/xnu-appletalk-zip.c","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/8262","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1236"},{"url":"https://github.com/advisories/GHSA-9p6w-24v2-vpv6"}],"sources":{"cve":[{"id":"CVE-2009-1236","description":"Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allows remote attackers to cause a denial of service (system crash) via a ZIP NOTIFY (aka ZIPOP_NOTIFY) packet that overwrites a certain ifPort structure member.","status":"published","published":"2009-04-02T17:00:00Z","modified":"2024-08-07T05:04:49.428Z","updated_at":"2026-11-02T14:33:25.516454Z"}],"euvd":[{"id":"EUVD-2009-1235","description":"Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allows remote attackers to cause a denial of service (system crash) via a ZIP NOTIFY (aka ZIPOP_NOTIFY) packet that overwrites a certain ifPort structure member.","status":"published","published":"2009-04-02T17:00:00Z","modified":"2024-08-07T05:04:49Z","updated_at":"2026-11-03T01:39:22.935477Z"}],"ghsa":[{"id":"GHSA-9p6w-24v2-vpv6","title":"Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on...","description":"Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allows remote attackers to cause a denial of service (system crash) via a ZIP NOTIFY (aka ZIPOP_NOTIFY) packet that overwrites a certain ifPort structure member.","status":"published","published":"2022-05-02T03:22:56Z","modified":"2023-01-31T05:07:24Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:12.176696Z"}],"nvd":[{"id":"CVE-2009-1236","description":"Heap-based buffer overflow in the AppleTalk networking stack in XNU 1228.3.13 and earlier on Apple Mac OS X 10.5.6 and earlier allows remote attackers to cause a denial of service (system crash) via a ZIP NOTIFY (aka ZIPOP_NOTIFY) packet that overwrites a certain ifPort structure member.","status":"published","published":"2009-04-02T17:30:00.36Z","modified":"2026-06-16T23:06:49.73Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:34.44527Z"}]}}