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CVE-2008-4059

21
FAUCET Score

CVE-2008-4059 describes a critical vulnerability in the XPConnect component of Mozilla Firefox versions prior to 2.0.0.17. This flaw allows remote attackers to execute arbitrary code with chrome privileges by manipulating XPCNativeWrappers through a SCRIPT element. With a CVSS score of 7.5, this vulnerability is considered highly severe, as it can be exploited remotely with low attack complexity, leading to potential compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
<= 2.0.0.17CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*

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
5.00%
Probability of exploitation in next 30 days
EPSS Percentile
91.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0500 is in the 85th 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 (7)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: seamonkey-0:1.0.9-0.20.el2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.24.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.10-0.10.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-26.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-16.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:2.0.0.17-1.el5
View patch

Vendor Advisories (1)

redhatCVE-2008-4059Critical

Mozilla privilege escalation via XPCnativeWrapper pollution

Sep 23, 2008

References

download.novell.com / Download
lists.opensuse.org / opensuse-security-announce/2008-10/msg00005.html
bugzilla.mozilla.org / show_bug.cgi
Patch
secunia.com / advisories/31984
secunia.com / advisories/31985
secunia.com / advisories/32007
secunia.com / advisories/32010
secunia.com / advisories/32012
secunia.com / advisories/32025
secunia.com / advisories/32042
secunia.com / advisories/32044
secunia.com / advisories/32082
secunia.com / advisories/32092
secunia.com / advisories/32144
secunia.com / advisories/32185
secunia.com / advisories/32196
secunia.com / advisories/32845
secunia.com / advisories/33433
secunia.com / advisories/33434
secunia.com / advisories/34501
exchange.xforce.ibmcloud.com / vulnerabilities/45352
slackware.com / security/viewer.php
slackware.com / security/viewer.php
slackware.com / security/viewer.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9529
sunsolve.sun.com / search/document.do
redhat.com / archives/fedora-package-announce/2008-September/msg01384.html
redhat.com / archives/fedora-package-announce/2008-September/msg01403.html
debian.org / security/2008/dsa-1649
debian.org / security/2008/dsa-1669
debian.org / security/2009/dsa-1696
debian.org / security/2009/dsa-1697
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2008/mfsa2008-41.html
redhat.com / support/errata/RHSA-2008-0882.html
redhat.com / support/errata/RHSA-2008-0908.html
securityfocus.com / bid/31346
securitytracker.com / id
ubuntu.com / usn/usn-645-1
ubuntu.com / usn/usn-645-2
ubuntu.com / usn/usn-647-1
vupen.com / english/advisories/2008/2661
vupen.com / english/advisories/2009/0977