CVE-2011-0281
MEDIUM · CVSS 5.0EPSS 4.2%EU EUVD
The unparse implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.6.x through 1.9, when an LDAP backend is used, allows remote attackers to cause a denial of service (file descriptor exhaustion and daemon hang) via a principal name that triggers use of a backslash escape sequence, as demonstrated by a \n sequence.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-310
- EPSS score
- 4.2% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0307)
- Published
- February 10, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0307 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mit / kerberos
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
References
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
- http://mailman.mit.edu/pipermail/kerberos/2010-December/016800.html
- http://secunia.com/advisories/43260(Vendor Advisory)
- http://secunia.com/advisories/43273(Vendor Advisory)
- http://secunia.com/advisories/43275(Vendor Advisory)
- http://secunia.com/advisories/46397
- http://securityreason.com/securityalert/8073
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-002.txt(Vendor Advisory)
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:024
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:025
- http://www.redhat.com/support/errata/RHSA-2011-0199.html
- http://www.redhat.com/support/errata/RHSA-2011-0200.html
- http://www.securityfocus.com/archive/1/516299/100/0/threaded
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.securityfocus.com/bid/46265
- http://www.securitytracker.com/id?1025037
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.vupen.com/english/advisories/2011/0330(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0333(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0347(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0464
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65324
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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