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CVE-2007-5707

21
FAUCET Score

CVE-2007-5707 describes a denial-of-service vulnerability in OpenLDAP versions prior to 2.3.39, where a remote attacker can crash the slapd daemon by sending a malformed objectClasses attribute in an LDAP request. With a CVSS score of 7.1, this vulnerability is considered highly severe due to its network-based attack vector and complete availability impact, though it requires medium attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
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:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.65%
Probability of exploitation in next 30 days
EPSS Percentile
88.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0365 is in the 49th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: openldap-0:2.2.13-8.el4_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openldap-0:2.3.27-8.el5_1.1
View patch

Vendor Advisories (1)

redhatCVE-2007-5707Important

openldap slapd DoS via objectClasses attribute

Oct 29, 2007

References

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