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CVE-2006-4571

26
FAUCET Score

CVE-2006-4571 describes multiple unspecified vulnerabilities in Firefox, Thunderbird, and SeaMonkey versions prior to 1.5.0.7, 1.5.0.7, and 1.0.5 respectively. These flaws allow remote attackers to trigger denial of service, memory corruption, and potentially arbitrary code execution through various vectors, including JavaScript, large images, or plugin data. With a CVSS score of 10.0, this vulnerability is critical, indicating easy exploitation over the network with complete impact on confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
<= 1.5.0.6CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
5.44%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0544 is in the 86th percentile among its peer group of 51,551 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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.5-0.1.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.5.0.7-0.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.10-0.4.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.5-0.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.7-0.1.el4
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2006-4571Critical

seamonkey < 1.0.5 multiple vulnerabilities; to replace Mozilla

Sep 15, 2006

References

patches.sgi.com / support/free/security/advisories/20060901-01-P.asc
secunia.com / advisories/21906
PatchVendor Advisory
secunia.com / advisories/21915
Vendor Advisory
secunia.com / advisories/21916
Vendor Advisory
secunia.com / advisories/21939
Vendor Advisory
secunia.com / advisories/21940
Vendor Advisory
secunia.com / advisories/21949
PatchVendor Advisory
secunia.com / advisories/21950
Vendor Advisory
secunia.com / advisories/22001
Vendor Advisory
secunia.com / advisories/22025
Vendor Advisory
secunia.com / advisories/22036
Vendor Advisory
secunia.com / advisories/22055
Vendor Advisory
secunia.com / advisories/22056
Vendor Advisory
secunia.com / advisories/22066
secunia.com / advisories/22074
Vendor Advisory
secunia.com / advisories/22088
secunia.com / advisories/22195
Vendor Advisory
secunia.com / advisories/22210
Vendor Advisory
secunia.com / advisories/22247
Vendor Advisory
secunia.com / advisories/22274
Vendor Advisory
secunia.com / advisories/22299
Vendor Advisory
secunia.com / advisories/22342
Vendor Advisory
secunia.com / advisories/22391
Vendor Advisory
secunia.com / advisories/22422
Vendor Advisory
secunia.com / advisories/22849
Vendor Advisory
secunia.com / advisories/24711
security.gentoo.org / glsa/glsa-200609-19.xml
security.gentoo.org / glsa/glsa-200610-01.xml
security.gentoo.org / glsa/glsa-200610-04.xml
securitytracker.com / id
securitytracker.com / id
securitytracker.com / id
issues.rpath.com / browse/RPL-640
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11728
support.avaya.com / elmodocs2/security/ASA-2006-224.htm
www1.itrc.hp.com / service/cki/docDisplay.do
debian.org / security/2006/dsa-1192
debian.org / security/2006/dsa-1210
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2006/mfsa2006-64.html
Vendor Advisory
redhat.com / support/errata/RHSA-2006-0675.html
redhat.com / support/errata/RHSA-2006-0676.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2006-0677.html
PatchVendor Advisory
securityfocus.com / archive/1/446140/100/0/threaded
securityfocus.com / bid/20042
ubuntu.com / usn/usn-350-1
ubuntu.com / usn/usn-351-1
ubuntu.com / usn/usn-352-1
ubuntu.com / usn/usn-354-1
ubuntu.com / usn/usn-361-1
us.debian.org / security/2006/dsa-1191
vupen.com / english/advisories/2006/3617
vupen.com / english/advisories/2006/3748
vupen.com / english/advisories/2007/1198
vupen.com / english/advisories/2008/0083