CVE-2011-0284

Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.

• CWE-399

• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html
• http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
• http://osvdb.org/71183
• http://secunia.com/advisories/43700
• http://secunia.com/advisories/43760
• http://secunia.com/advisories/43783Vendor Advisory
• http://secunia.com/advisories/43881
• http://securitytracker.com/id?1025216
• http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txtPatch, Vendor Advisory
• http://www.kb.cert.org/vuls/id/943220Patch, US Government Resource
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:048
• http://www.redhat.com/support/errata/RHSA-2011-0356.html
• http://www.securityfocus.com/archive/1/517029/100/0/threaded
• http://www.securityfocus.com/bid/46881
• http://www.ubuntu.com/usn/USN-1088-1
• http://www.vupen.com/english/advisories/2011/0672Vendor Advisory
• http://www.vupen.com/english/advisories/2011/0673Vendor Advisory
• http://www.vupen.com/english/advisories/2011/0680
• http://www.vupen.com/english/advisories/2011/0722
• http://www.vupen.com/english/advisories/2011/0763
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66101
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html
• http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
• http://osvdb.org/71183
• http://secunia.com/advisories/43700
• http://secunia.com/advisories/43760
• http://secunia.com/advisories/43783Vendor Advisory
• http://secunia.com/advisories/43881
• http://securitytracker.com/id?1025216
• http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txtPatch, Vendor Advisory
• http://www.kb.cert.org/vuls/id/943220Patch, US Government Resource
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:048
• http://www.redhat.com/support/errata/RHSA-2011-0356.html
• http://www.securityfocus.com/archive/1/517029/100/0/threaded
• http://www.securityfocus.com/bid/46881
• http://www.ubuntu.com/usn/USN-1088-1
• http://www.vupen.com/english/advisories/2011/0672Vendor Advisory
• http://www.vupen.com/english/advisories/2011/0673Vendor Advisory
• http://www.vupen.com/english/advisories/2011/0680
• http://www.vupen.com/english/advisories/2011/0722
• http://www.vupen.com/english/advisories/2011/0763
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66101

Published

Mar 20, 2011

Last Modified

Jun 16, 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.
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