CVE-2011-4079 describes an off-by-one error in the UTF8StringNormalize function of OpenLDAP 2.4.26 and earlier, allowing remote authenticated attackers to trigger a heap-based buffer overflow and cause a denial of service (slapd crash) via a zero-length string, such as an empty postalAddressAttribute. The vulnerability has a CVSS score of 4.0 (AV:N/AC:L/Au:S/C:N/I:N/A:P), indicating a network-based attack with low complexity requiring authentication, leading to partial availability impact. There is no evidence of active exploitation, no publicly available exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.4.26CPE matchmatch criteria | cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:* | ||
1.0CPE matchmatch criteria | cpe:2.3:a:openldap:openldap:1.0:*:*:*:*:*:*:* | ||
1.0.1CPE matchmatch criteria | cpe:2.3:a:openldap:openldap:1.0.1:*:*:*:*:*:*:* | ||
1.0.2CPE matchmatch criteria | cpe:2.3:a:openldap:openldap:1.0.2:*:*:*:*:*:*:* | ||
1.0.3CPE matchmatch criteria | cpe:2.3:a:openldap:openldap:1.0.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:S/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.