{"id":"CVE-2006-4303","aliases":["EUVD-2006-4291","GHSA-7964-4h6j-g639"],"status":"published","title":"Race condition in (1) libnsl and (2) TLI/XTI API routines in Sun Solaris 10 allows remote...","description":"Race condition in (1) libnsl and (2) TLI/XTI API routines in Sun Solaris 10 allows remote attackers to cause a denial of service (\"tight loop\" and CPU consumption for listener applications) via unknown vectors related to TCP fusion (do_tcp_fusion).","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01336,"percentile":0.71407,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-08-23T01:00:00Z","modified":"2026-06-16T22:28:49Z","products":[{"vendor":"sun","product":"solaris"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/28420","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-26-102576-1","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred"]},{"url":"http://securitytracker.com/id?1016706","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-4303"},{"url":"https://github.com/advisories/GHSA-7964-4h6j-g639"}],"sources":{"cve":[{"id":"CVE-2006-4303","description":"Race condition in (1) libnsl and (2) TLI/XTI API routines in Sun Solaris 10 allows remote attackers to cause a denial of service (\"tight loop\" and CPU consumption for listener applications) via unknown vectors related to TCP fusion (do_tcp_fusion).","status":"published","published":"2006-08-23T01:00:00Z","modified":"2024-08-07T19:06:06.638Z","updated_at":"2026-11-02T14:33:51.085765Z"}],"euvd":[{"id":"EUVD-2006-4291","description":"Race condition in (1) libnsl and (2) TLI/XTI API routines in Sun Solaris 10 allows remote attackers to cause a denial of service (\"tight loop\" and CPU consumption for listener applications) via unknown vectors related to TCP fusion (do_tcp_fusion).","status":"published","published":"2006-08-23T01:00:00Z","modified":"2024-08-07T19:06:06Z","updated_at":"2026-11-03T01:15:52.657645Z"}],"ghsa":[{"id":"GHSA-7964-4h6j-g639","title":"Race condition in (1) libnsl and (2) TLI/XTI API routines in Sun Solaris 10 allows remote...","description":"Race condition in (1) libnsl and (2) TLI/XTI API routines in Sun Solaris 10 allows remote attackers to cause a denial of service (\"tight loop\" and CPU consumption for listener applications) via unknown vectors related to TCP fusion (do_tcp_fusion).","status":"published","published":"2022-05-01T07:17:20Z","modified":"2023-01-31T05:01:50Z","updated_at":"2026-11-02T14:48:08.720938Z"}],"nvd":[{"id":"CVE-2006-4303","description":"Race condition in (1) libnsl and (2) TLI/XTI API routines in Sun Solaris 10 allows remote attackers to cause a denial of service (\"tight loop\" and CPU consumption for listener applications) via unknown vectors related to TCP fusion (do_tcp_fusion).","status":"published","published":"2006-08-23T01:04:00Z","modified":"2026-06-16T22:28:49.08Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:01:05.928789Z"}]}}