CVE-2018-18883

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

• CWE-476

• http://www.securityfocus.com/bid/105817Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1042021Third Party Advisory, VDB Entry
• https://xenbits.xen.org/xsa/advisory-278.htmlMitigation, Patch, Vendor Advisory
• http://www.securityfocus.com/bid/105817Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1042021Third Party Advisory, VDB Entry
• https://xenbits.xen.org/xsa/advisory-278.htmlMitigation, Patch, Vendor Advisory

Published

Nov 1, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2018-18878In firmware version MS_2.6.9900 of Columbia Weather MicroSer…
• CVE-2018-18879In firmware version MS_2.6.9900 of Columbia Weather MicroSer…
• CVE-2018-1888An untrusted search path vulnerability in IBM i Access for W…5.3
• CVE-2018-18880In firmware version MS_2.6.9900 of Columbia Weather MicroSer…
• CVE-2018-18881A Denial of Service (DOS) issue was discovered in ControlByW…
• CVE-2018-18882A stored cross-site scripting (XSS) issue was discovered in …
• CVE-2018-18886Helpy v2.1.0 has Stored XSS via the Ticket title.6.1
• CVE-2018-18887S-CMS PHP 1.0 has SQL injection in member/member_news.php vi…
• CVE-2018-18888An issue was discovered in laravelCMS through 2018-04-02. \a…
• CVE-2018-1889IBM Security Guardium 10.0 and 10.5 is vulnerable to cross-s…5.4
• CVE-2018-18890MiniCMS 1.10 allows full path disclosure via /mc-admin/post.…
• CVE-2018-18891MiniCMS 1.10 allows file deletion via /mc-admin/post.php?sta…