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CVE-2011-1529
The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through…
High7.8EPSS 4.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 4.0% · top 9.4% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (6)
- MDVSA-2011:159 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- MDVSA-2011:160 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- openSUSE-SU-2011:1169 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- VU#659251 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2011:1379 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2011-1529)Record last updated .