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CVE-2006-2776

21
FAUCET Score

CVE-2006-2776 describes a vulnerability in Mozilla Firefox and Thunderbird versions prior to 1.5.0.4, where privileged UI code improperly calls content-defined setters on an object prototype. This allows remote attackers to execute code with elevated privileges. The vulnerability has a CVSS score of 7.5, indicating a high severity with a network-based attack vector, low complexity, and potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.8CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9:rc:*:*:*:*:*:*
0.9.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:*
0.9.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.24%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0624 is in the 88th percentile among its peer group of 51,553 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 (10)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.2-0.1.0.EL3
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: firefox-0:1.5.0.5-0.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
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch

Vendor Advisories (1)

redhatCVE-2006-2776Moderate

security flaw

Jun 1, 2006

References

rhn.redhat.com / errata/RHSA-2006-0609.html
secunia.com / advisories/20376
secunia.com / advisories/20382
secunia.com / advisories/20561
secunia.com / advisories/20709
secunia.com / advisories/21134
secunia.com / advisories/21176
secunia.com / advisories/21178
secunia.com / advisories/21183
secunia.com / advisories/21188
secunia.com / advisories/21210
secunia.com / advisories/21269
secunia.com / advisories/21270
secunia.com / advisories/21324
secunia.com / advisories/21336
secunia.com / advisories/21532
secunia.com / advisories/21607
secunia.com / advisories/21631
secunia.com / advisories/22065
secunia.com / advisories/22066
secunia.com / advisories/24108
securitytracker.com / id
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/26848
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9849
sunsolve.sun.com / search/document.do
usn.ubuntu.com / 296-1
usn.ubuntu.com / 296-2
usn.ubuntu.com / 297-1
usn.ubuntu.com / 297-3
usn.ubuntu.com / 323-1
debian.org / security/2006/dsa-1118
debian.org / security/2006/dsa-1120
debian.org / security/2006/dsa-1134
gentoo.org / security/en/glsa/glsa-200606-12.xml
gentoo.org / security/en/glsa/glsa-200606-21.xml
kb.cert.org / vuls/id/575969
PatchUS Government Resource
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2006/mfsa2006-37.html
PatchVendor Advisory
novell.com / linux/security/advisories/2006_35_mozilla.html
redhat.com / support/errata/RHSA-2006-0578.html
redhat.com / support/errata/RHSA-2006-0594.html
redhat.com / support/errata/RHSA-2006-0610.html
redhat.com / support/errata/RHSA-2006-0611.html
securityfocus.com / archive/1/435795/100/0/threaded
securityfocus.com / archive/1/446657/100/200/threaded
securityfocus.com / archive/1/446658/100/200/threaded
securityfocus.com / bid/18228
us-cert.gov / cas/techalerts/TA06-153A.html
US Government Resource
vupen.com / english/advisories/2006/2106
vupen.com / english/advisories/2006/3748
vupen.com / english/advisories/2006/3749
vupen.com / english/advisories/2007/0573
vupen.com / english/advisories/2008/0083