{"id":"CVE-2026-72712","aliases":["AZL-95529","CLSA-2026-1789630245","CLSA-2026-1790157825","DEBIAN-CVE-2026-72712","EUVD-2026-56821","GHSA-7j7x-fg87-hwwg","MGASA-2026-0433","OESA-2026-3679","OESA-2026-3680","OESA-2026-3681","OESA-2026-3682","OESA-2026-3745","SUSE-SU-2026:24515-1","SUSE-SU-2026:24602-1","UBUNTU-CVE-2026-72712"],"status":"published","title":"Nmap 7.99 Denial of Service via Zero-Length TCP Option Packet","description":"Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. 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7.99 Denial of Service via Zero-Length TCP Option Packet","description":"Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parse_options() function in nselib/packet.lua to allocate objects in an infinite loop, causing an out-of-memory condition that results in application crash.","status":"published","published":"2026-08-11T17:35:06.192Z","modified":"2026-08-14T16:51:55.66Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:19:52.016971Z"}],"euvd":[{"id":"EUVD-2026-56821","description":"Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parse_options() function in nselib/packet.lua to allocate objects in an infinite loop, causing an out-of-memory condition that results in application crash.","status":"published","published":"2026-08-11T17:35:06Z","modified":"2026-08-14T16:51:55Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:53.90055Z"}],"ghsa":[{"id":"GHSA-7j7x-fg87-hwwg","title":"Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows...","description":"Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. 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It was designed to rapidly scan large networks, but works fine against single hosts.\r\n\r\nSecurity Fix(es):\n\nNmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parse_options() function in nselib/packet.lua to allocate objects in an infinite loop, causing an out-of-memory condition that results in application crash.(CVE-2026-72712)","status":"published","published":"2026-09-14T16:33:56Z","modified":"2026-09-13T16:45:32.240248454Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"UBUNTU-CVE-2026-72712","description":"Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parse_options() function in nselib/packet.lua to allocate objects in an infinite loop, causing an out-of-memory condition that results in application crash.","status":"published","published":"2026-08-11T18:18:00Z","modified":"2026-10-17T13:00:50.172871891Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:57:08.628462Z"},{"id":"AZL-95529","title":"CVE-2026-72712 affecting package nmap for versions less than 7.95-5","description":"Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parse_options() function in nselib/packet.lua to allocate objects in an infinite loop, causing an out-of-memory condition that results in application crash.","status":"published","published":"2026-08-11T18:18:23Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:26.077208Z"},{"id":"CLSA-2026-1789630245","title":"nmap: Fix of CVE-2026-72712","description":"- CVE-2026-72712: stop parsing packet options on a zero-length option, preventing\n  an infinite allocation loop and out-of-memory abort in the NSE packet library","status":"published","published":"2026-09-17T07:30:56Z","modified":"2026-10-26T09:31:35.659514707Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790157825","title":"nmap: Fix of CVE-2026-72712","description":"- CVE-2026-72712: stop parsing packet options on a zero-length option, preventing\n  an infinite allocation loop and out-of-memory abort in the NSE packet library","status":"published","published":"2026-09-23T10:33:04Z","modified":"2026-10-26T09:30:51.253468008Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"MGASA-2026-0433","title":"Updated nmap packages fix a security vulnerability","description":"Denial of Service via Zero-Length TCP Option Packet. (CVE-2026-72712)\n","status":"published","published":"2026-09-21T20:22:26Z","modified":"2026-09-21T20:30:04.444777152Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"SUSE-SU-2026:24515-1","title":"Security update for nmap","description":"This update for nmap fixes the following issue:\n\n- CVE-2026-72712: crafted packet containing a zero-length TCP option causes the `Packet:parse_options()` function to\n  allocate objects in an infinite loop and cause an OOM condition (bsc#1275288).\n","status":"published","published":"2026-11-01T09:38:15Z","modified":"2026-11-05T17:23:15.485446191Z","updated_at":"2026-11-05T17:55:05.69587Z"},{"id":"SUSE-SU-2026:24602-1","title":"Security update for nmap","description":"This update for nmap fixes the following issue:\n\n- CVE-2026-72712: crafted packet containing a zero-length TCP option causes the `Packet:parse_options()` function to\n  allocate objects in an infinite loop and cause an OOM condition (bsc#1275288).\n","status":"published","published":"2026-11-01T09:39:51Z","modified":"2026-11-10T17:23:20.818628345Z","updated_at":"2026-11-10T17:35:04.393608Z"}]}}