CVE-2018-16291

An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Reader before 9.3 and PhantomPDF before 9.3, a different vulnerability than CVE-2018-16292, CVE-2018-16293, CVE-2018-16294, CVE-2018-16295, CVE-2018-16296, and CVE-2018-16297. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.

• CWE-416

• http://www.securitytracker.com/id/1041769Third Party Advisory, VDB Entry
• https://www.foxitsoftware.com/support/security-bulletins.phpPatch, Vendor Advisory
• http://www.securitytracker.com/id/1041769Third Party Advisory, VDB Entry
• https://www.foxitsoftware.com/support/security-bulletins.phpPatch, Vendor Advisory

Published

Oct 8, 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-2018-16282A command injection vulnerability in the web server function…
• CVE-2018-16283The Wechat Broadcast plugin 1.2.0 and earlier for WordPress …
• CVE-2018-16285The UserPro plugin through 4.9.23 for WordPress allows XSS v…
• CVE-2018-16286LG SuperSign CMS allows authentication bypass because the CA…
• CVE-2018-16287LG SuperSign CMS allows file upload via signEzUI/playlist/ed…
• CVE-2018-16288LG SuperSign CMS allows reading of arbitrary files via signE…
• CVE-2018-16292An exploitable use-after-free vulnerability exists in the Ja…
• CVE-2018-16293An exploitable use-after-free vulnerability exists in the Ja…
• CVE-2018-16294An exploitable use-after-free vulnerability exists in the Ja…
• CVE-2018-16295An exploitable use-after-free vulnerability exists in the Ja…
• CVE-2018-16296An exploitable use-after-free vulnerability exists in the Ja…
• CVE-2018-16297An exploitable use-after-free vulnerability exists in the Ja…