CVE-2013-2551

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "Internet Explorer Use After Free Vulnerability," a different vulnerability than CVE-2013-1308 and CVE-2013-1309.

• CWE-416
• CWE-416

• http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157Broken Link, Third Party Advisory
• http://twitter.com/VUPEN/statuses/309479075385327617Broken Link
• http://twitter.com/thezdi/statuses/309452625173176320Not Applicable
• http://www.us-cert.gov/ncas/alerts/TA13-134AThird Party Advisory, US Government Resource
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-037Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16317Broken Link
• http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157Broken Link, Third Party Advisory
• http://twitter.com/VUPEN/statuses/309479075385327617Broken Link
• http://twitter.com/thezdi/statuses/309452625173176320Not Applicable
• http://www.us-cert.gov/ncas/alerts/TA13-134AThird Party Advisory, US Government Resource
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-037Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16317Broken Link
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2551US Government Resource

Published

Mar 11, 2013

Last Modified

Jun 16, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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