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CVE-2006-6505

19
FAUCET Score

CVE-2006-6505 describes multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7. These vulnerabilities allow remote attackers to execute arbitrary code by sending crafted external message bodies with long Content-Type headers or long RFC2047-encoded headers. With a CVSS score of 6.8, this vulnerability is considered medium severity, requiring medium attack complexity but allowing for partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.6CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
<= 1.5.0.8CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.24%
Probability of exploitation in next 30 days
EPSS Percentile
90.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0424 is in the 87th percentile among its peer group of 19,958 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: seamonkey-0:1.0.7-0.1.el2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.7-0.1.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.10-0.6.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.7-0.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.9-0.1.el4
View patch

Vendor Advisories (1)

redhatCVE-2006-6505Critical

seamonkey < 1.0.7 multiple vulnerabilities

Dec 19, 2006

References

patches.sgi.com / support/free/security/advisories/20061202-01-P.asc
fedoranews.org / cms/node/2297
fedoranews.org / cms/node/2338
rhn.redhat.com / errata/RHSA-2006-0759.html
rhn.redhat.com / errata/RHSA-2006-0760.html
secunia.com / advisories/23420
secunia.com / advisories/23422
secunia.com / advisories/23433
secunia.com / advisories/23439
secunia.com / advisories/23468
secunia.com / advisories/23514
secunia.com / advisories/23545
secunia.com / advisories/23591
secunia.com / advisories/23598
secunia.com / advisories/23601
secunia.com / advisories/23618
secunia.com / advisories/23672
secunia.com / advisories/23692
secunia.com / advisories/24108
secunia.com / advisories/24390
securitytracker.com / id
securitytracker.com / id
issues.rpath.com / browse/RPL-883
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11565
sunsolve.sun.com / search/document.do
debian.org / security/2007/dsa-1265
gentoo.org / security/en/glsa/glsa-200701-03.xml
gentoo.org / security/en/glsa/glsa-200701-04.xml
kb.cert.org / vuls/id/887332
US Government Resource
mandriva.com / security/advisories
mozilla.org / security/announce/2006/mfsa2006-74.html
novell.com / linux/security/advisories/2006_80_mozilla.html
novell.com / linux/security/advisories/2007_06_mozilla.html
securityfocus.com / archive/1/455145/100/0/threaded
securityfocus.com / archive/1/455728/100/200/threaded
securityfocus.com / bid/21668
ubuntu.com / usn/usn-400-1
us-cert.gov / cas/techalerts/TA06-354A.html
US Government Resource
vupen.com / english/advisories/2006/5068
vupen.com / english/advisories/2007/0573
vupen.com / english/advisories/2008/0083