Unrated severityNVD Advisory· Published Mar 20, 2011· Updated Jun 16, 2026
CVE-2011-0284
CVE-2011-0284
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.9:*:*:*:*:*:*:*
- (no CPE)range: >=1.7 <=1.9
Patches
Vulnerability mechanics
References
23- web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txtnvdPatchVendor Advisory
- www.kb.cert.org/vuls/id/943220nvdPatchUS Government Resource
- secunia.com/advisories/43783nvdVendor Advisory
- www.vupen.com/english/advisories/2011/0672nvdVendor Advisory
- www.vupen.com/english/advisories/2011/0673nvdVendor Advisory
- lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.htmlnvd
- osvdb.org/71183nvd
- secunia.com/advisories/43700nvd
- secunia.com/advisories/43760nvd
- secunia.com/advisories/43881nvd
- securitytracker.com/idnvd
- www.mandriva.com/security/advisoriesnvd
- www.redhat.com/support/errata/RHSA-2011-0356.htmlnvd
- www.securityfocus.com/archive/1/517029/100/0/threadednvd
- www.securityfocus.com/bid/46881nvd
- www.ubuntu.com/usn/USN-1088-1nvd
- www.vupen.com/english/advisories/2011/0680nvd
- www.vupen.com/english/advisories/2011/0722nvd
- www.vupen.com/english/advisories/2011/0763nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/66101nvd
News mentions
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