CVE-2011-4079
MEDIUM · CVSS 4.0EPSS 3.3%EU EUVD
Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P- Weakness (CWE)
- CWE-189
- EPSS score
- 3.3% (88th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-4030)
- Published
- October 27, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-4030 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
- openldap / openldap
and 125 more…
References
- http://secunia.com/advisories/46599(Vendor Advisory)
- http://security.gentoo.org/glsa/glsa-201406-36.xml
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059
- http://www.openwall.com/lists/oss-security/2011/10/26/5
- http://www.openwall.com/lists/oss-security/2011/10/26/9
- http://www.securityfocus.com/bid/50384
- http://www.ubuntu.com/usn/USN-1266-1
- https://bugzilla.redhat.com/show_bug.cgi?id=749324(Patch)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/70991
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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