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CVE-2006-3804

16
FAUCET Score

CVE-2006-3804 describes a heap-based buffer overflow vulnerability affecting Mozilla Thunderbird before 1.5.0.5 and SeaMonkey before 1.0.3. This flaw allows remote attackers to trigger a denial of service (application crash) by sending a specially crafted VCard attachment containing a malformed base64 field, leading to an integer underflow and excessive data copying. The vulnerability has a CVSS score of 5.0, indicating a medium severity with a network attack vector, low attack complexity, and potential for partial availability impact. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) or significant community discussion or media coverage has been observed for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:1.0:*:dev:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:1.5:*:*:*:*:*:*:*

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
3.25%
Probability of exploitation in next 30 days
EPSS Percentile
87.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0324 is in the 82nd percentile among its peer group of 23,725 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 (9)

redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.3-0.el3.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.10-0.2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.3-0.el4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.5-0.el4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2006-3804Critical

security flaw

Jul 26, 2006

References

patches.sgi.com / support/free/security/advisories/20060703-01-U.asc
rhn.redhat.com / errata/RHSA-2006-0609.html
secunia.com / advisories/21228
PatchVendor Advisory
secunia.com / advisories/21229
PatchVendor Advisory
secunia.com / advisories/21246
secunia.com / advisories/21250
secunia.com / advisories/21262
secunia.com / advisories/21269
secunia.com / advisories/21275
secunia.com / advisories/21336
secunia.com / advisories/21343
secunia.com / advisories/21358
secunia.com / advisories/21529
secunia.com / advisories/21532
secunia.com / advisories/21607
secunia.com / advisories/21631
secunia.com / advisories/22055
secunia.com / advisories/22065
security.gentoo.org / glsa/glsa-200608-02.xml
security.gentoo.org / glsa/glsa-200608-04.xml
securitytracker.com / id
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/27985
issues.rpath.com / browse/RPL-537
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11395
sunsolve.sun.com / search/document.do
usn.ubuntu.com / 329-1
kb.cert.org / vuls/id/897540
Third Party AdvisoryUS Government Resource
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2006/mfsa2006-49.html
Vendor Advisory
novell.com / linux/security/advisories/2006_48_seamonkey.html
redhat.com / support/errata/RHSA-2006-0594.html
redhat.com / support/errata/RHSA-2006-0608.html
redhat.com / support/errata/RHSA-2006-0611.html
securityfocus.com / archive/1/446657/100/200/threaded
securityfocus.com / bid/19181
Patch
ubuntu.com / usn/usn-350-1
us-cert.gov / cas/techalerts/TA06-208A.html
US Government Resource
vupen.com / english/advisories/2006/2998
vupen.com / english/advisories/2006/3749
vupen.com / english/advisories/2007/0058