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CVE-2006-4331

16
FAUCET Score

CVE-2006-4331 describes multiple off-by-one errors in the IPSec ESP preference parser within Wireshark (formerly Ethereal) version 0.99.2. This flaw allows remote attackers to trigger a denial of service (crash) through unspecified vectors. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with an attack vector over the network, low attack complexity, and a potential impact of partial availability loss. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.99.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.2:*:*:*:*:*:*:*

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
4.39%
Probability of exploitation in next 30 days
EPSS Percentile
90.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0439 is in the 87th percentile among its peer group of 23,684 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: wireshark-0:0.99.3-EL3.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: wireshark-0:0.99.3-EL4.2
View patch

Vendor Advisories (1)

redhatCVE-2006-4331Low

security flaw

Aug 23, 2006

References

secunia.com / advisories/21597
PatchVendor Advisory
secunia.com / advisories/21619
secunia.com / advisories/21649
secunia.com / advisories/21682
secunia.com / advisories/21885
secunia.com / advisories/22378
security.gentoo.org / glsa/glsa-200608-26.xml
securitytracker.com / id
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/28553
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10125
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14587
support.avaya.com / elmodocs2/security/ASA-2006-227.htm
kb.cert.org / vuls/id/638376
US Government Resource
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2006-0658.html
securityfocus.com / bid/19690
Patch
vupen.com / english/advisories/2006/3370
wireshark.org / security/wnpa-sec-2006-02.html
PatchVendor Advisory