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CVE-2006-5989

16
FAUCET Score

CVE-2006-5989 describes an off-by-one error in the der_get_oid function within mod_auth_kerb 5.0, allowing remote attackers to trigger a denial of service (crash) through a specially crafted Kerberos message. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, resulting in a denial of service. 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
5.0CPE matchmatch criteria
cpe:2.3:a:mod_auth_kerb:mod_auth_kerb:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.64%
Probability of exploitation in next 30 days
EPSS Percentile
88.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0364 is in the 85th percentile among its peer group of 23,701 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media 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.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: mod_auth_kerb-0:5.0-1.3
View patch

Vendor Advisories (1)

redhatCVE-2006-5989Low

security flaw

Nov 13, 2006

References

bugzilla.redhat.com / bugzilla/attachment.cgi
bugzilla.redhat.com / bugzilla/show_bug.cgi
secunia.com / advisories/23023
secunia.com / advisories/23251
secunia.com / advisories/23681
secunia.com / advisories/23820
security.gentoo.org / glsa/glsa-200701-14.xml
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/30456
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10051
debian.org / security/2007/dsa-1247
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2006-0746.html
securityfocus.com / bid/21214
vupen.com / english/advisories/2006/4633