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CVE-2006-0453

20
FAUCET Score

CVE-2006-0453 describes a denial-of-service vulnerability in the LDAP component of Fedora Directory Server 1.0. An unauthenticated remote attacker can crash the server by sending a malformed "bad BER sequence," leading to a free of uninitialized memory. This vulnerability has a high severity CVSS score of 7.8, indicating it is easily exploitable over the network with no authentication required, resulting in a complete loss of availability. There is no known exploit code publicly available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:o:redhat:fedora_core:1.0:*:directory_server:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.84%
Probability of exploitation in next 30 days
EPSS Percentile
76.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0184 is in the 60th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (1)

redhatpatch availablevia redhat_api
Product: RHEL 4 Directory Server AS
View patch

Vendor Advisories (1)

redhatCVE-2006-0453Moderate

security flaw

Feb 14, 2005

References

bugzilla.redhat.com / bugzilla/show_bug.cgi
secunia.com / advisories/18960
exchange.xforce.ibmcloud.com / vulnerabilities/24795
securityfocus.com / bid/16677