CVE-2011-4079
N/A
Published: October 27, 2011 at 08:00 PM UTC
Updated: June 16, 2026 at 11:34 PM UTC
1 product affected across 1 vendorOpenLDAP
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Severity
N/A
Exploit prediction
EPSS 3%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 2.4.261.01.0.11.0.21.0.31.11.1.01.1.11.1.21.1.31.1.41.21.2.01.2.11.2.101.2.111.2.121.2.131.2.21.2.31.2.41.2.51.2.61.2.71.2.81.2.92.02.0.02.0.12.0.102.0.112.0.11_112.0.11_11s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
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (10)
Third Party Advisoryx_refsource_SECUNIAVendor Advisory
Source: [email protected]
http://secunia.com/advisories/46599Vendor Advisoryx_refsource_GENTOO
Source: [email protected]
http://security.gentoo.org/glsa/glsa-201406-36.xmlx_refsource_MISC
Source: [email protected]
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059Mailing Listx_refsource_MLIST
Source: [email protected]
http://www.openwall.com/lists/oss-security/2011/10/26/5Mailing Listx_refsource_MLIST
Source: [email protected]
http://www.openwall.com/lists/oss-security/2011/10/26/9Quick Info
StatusMODIFIED
CWE
CWE-189
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