CVE-2006-5779

Exp

OpenLDAP before 2.3.29 allows remote attackers to cause a denial of service (daemon crash) via LDAP BIND requests with long authcid names, which triggers an assertion failure.

Published: 2006-11-07 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-5779 is rated High Exploit Risk (74.1/100): CVSS High severity, with high exploitation likelihood (EPSS 43.37%, 97th percentile). 5 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-5779

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-5779

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-11 51.90% 43.37% -8.53%
2 2025-06-26 47.82% 51.90% +4.08%
3 2025-03-30 — 47.82% —

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-5779

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2006-5779

OS Trackers for CVE-2006-5779

vendor priority summary link
alpine — CVE-2006-5779: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-5779
gentoo normal CVE-2006-5779: 1 GLSA(s) (200611-25), 1 atom(s) (net-nds/openldap); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-5779
redhat — — https://access.redhat.com/security/cve/CVE-2006-5779
ubuntu medium CVE-2006-5779 medium priority: Ubuntu including 2 source packages (openldap2.2, openldap2.3), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 3, released 3, needs-triage 2. https://ubuntu.com/security/CVE-2006-5779

Vendor comments (NVD) for CVE-2006-5779

  • Red Hat (2007-03-14T00:00:00)

    Not Vulnerable. The OpenLDAP versions shipped with Red Hat Enterprise Linux 4 and earlier do not contain the vulnerable code in question. Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

Affected software / configurations for CVE-2006-5779

Vendor Product Version Raw CPE
openldap openldap < 2.3.29 cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*
canonical ubuntu_linux 5.10 cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:*
canonical ubuntu_linux 6.06 cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
canonical ubuntu_linux 6.10 cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:*

References for CVE-2006-5779

URL Tags
http://gleg.net/downloads/VULNDISCO_META_FREE.tar.gz Broken Link Exploit
http://gleg.net/vulndisco_meta.shtml Broken Link Exploit
http://secunia.com/advisories/22750 Broken Link Vendor Advisory
http://secunia.com/advisories/22953 Broken Link Vendor Advisory
http://secunia.com/advisories/22996 Broken Link Vendor Advisory
http://secunia.com/advisories/23125 Broken Link Vendor Advisory
http://secunia.com/advisories/23133 Broken Link Vendor Advisory
http://secunia.com/advisories/23152 Broken Link Vendor Advisory
http://secunia.com/advisories/23170 Broken Link Vendor Advisory
http://security.gentoo.org/glsa/glsa-200611-25.xml Third Party Advisory
http://securityreason.com/securityalert/1831 Broken Link
http://securitytracker.com/id?1017166 Broken Link Exploit Third Party Advisory VDB Entry
http://www.mandriva.com/security/advisories?name=MDKSA-2006:208 Broken Link
http://www.novell.com/linux/security/advisories/2006_72_openldap2.html Broken Link
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=4740 Exploit Issue Tracking
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.033-openldap.html Broken Link
http://www.securityfocus.com/archive/1/450728/100/0/threaded Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/20939 Broken Link Exploit Third Party Advisory VDB Entry
http://www.trustix.org/errata/2006/0066/ Broken Link
http://www.ubuntu.com/usn/usn-384-1 Third Party Advisory
http://www.vupen.com/english/advisories/2006/4379 Broken Link Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/30076 Third Party Advisory VDB Entry
https://issues.rpath.com/browse/RPL-820 Broken Link
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