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    CVE-2007-5707

    OpenLDAP before 2.3.39 allows remote attackers to cause a denial of service (slapd crash) via an LDAP request with a malformed objectClasses attribute. NOTE: this has been reported as a double free, but the reports are inconsistent.

    Published:Oct 29, 2007
    Last Modified:Apr 23, 2026
    EPS:Oct 30, 2007
    EPSS Score:0.05435
    CVSS Score:7.1

    Affected Products

    Vendor
    Openldap
    Product
    Openldap
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-22185 (CVSS 4.6) — OpenLDAP Lightning Memory-Mapped Database (LMDB) versions up to and including 0.9.14, prior to commit 8e1fda8,…
    CVE-2023-2953 (CVSS 7.5) — A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x(…
    CVE-2022-29155 (CVSS 9.8) — In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in the experimental…
    CVE-2021-27212 (CVSS 7.5) — In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuer…
    CVE-2020-36221 (CVSS 7.5) — An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exac…
    CVE-2020-36222 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo va…
    CVE-2020-36224 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the sasl…
    CVE-2020-36225 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo pr…
    CVE-2020-36226 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in t…
    CVE-2020-36228 (CVSS 7.5) — An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List…

    References

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=440632
    http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
    http://secunia.com/advisories/27424
    http://secunia.com/advisories/27587
    http://secunia.com/advisories/27596
    http://secunia.com/advisories/27683
    http://secunia.com/advisories/27756
    http://secunia.com/advisories/27868
    http://secunia.com/advisories/29461
    http://secunia.com/advisories/29682
    http://security.gentoo.org/glsa/glsa-200803-28.xml
    http://support.apple.com/kb/HT3937
    http://www.debian.org/security/2008/dsa-1541
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:215
    http://www.novell.com/linux/security/advisories/2007_24_sr.html
    http://www.openldap.org/its/index.cgi/Software%20Bugs?id=5119
    http://www.openldap.org/lists/openldap-announce/200710/msg00001.html
    http://www.redhat.com/archives/fedora-package-announce/2007-November/msg00460.html
    http://www.redhat.com/support/errata/RHSA-2007-1037.html
    http://www.redhat.com/support/errata/RHSA-2007-1038.html
    http://www.securityfocus.com/bid/26245
    http://www.securitytracker.com/id?1018924
    http://www.ubuntu.com/usn/usn-551-1
    http://www.vupen.com/english/advisories/2007/3645
    http://www.vupen.com/english/advisories/2009/3184
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10183
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=440632
    http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
    http://secunia.com/advisories/27424
    http://secunia.com/advisories/27587
    http://secunia.com/advisories/27596
    http://secunia.com/advisories/27683
    http://secunia.com/advisories/27756
    http://secunia.com/advisories/27868
    http://secunia.com/advisories/29461
    http://secunia.com/advisories/29682
    http://security.gentoo.org/glsa/glsa-200803-28.xml
    http://support.apple.com/kb/HT3937
    http://www.debian.org/security/2008/dsa-1541
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:215
    http://www.novell.com/linux/security/advisories/2007_24_sr.html
    http://www.openldap.org/its/index.cgi/Software%20Bugs?id=5119
    http://www.openldap.org/lists/openldap-announce/200710/msg00001.html
    http://www.redhat.com/archives/fedora-package-announce/2007-November/msg00460.html
    http://www.redhat.com/support/errata/RHSA-2007-1037.html
    http://www.redhat.com/support/errata/RHSA-2007-1038.html
    http://www.securityfocus.com/bid/26245
    http://www.securitytracker.com/id?1018924
    http://www.ubuntu.com/usn/usn-551-1
    http://www.vupen.com/english/advisories/2007/3645
    http://www.vupen.com/english/advisories/2009/3184
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10183

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High