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CVE-2008-4063

24
FAUCET Score

CVE-2008-4063 describes multiple unspecified vulnerabilities in Mozilla Firefox 3.x before version 3.0.2, primarily affecting the layout engine. These flaws, including issues with the nsContentList::Item function, the indic IME extension, and nsFrameList::SortByContentOrder, could lead to denial of service (memory corruption and application crash) or potentially arbitrary code execution. With a CVSS score of 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C), this vulnerability is considered critical, indicating it can be exploited remotely with medium attack complexity to achieve complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.06CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:6.06:-:lts:*:*:*:*:*
7.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*
7.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*
8.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.04:-:lts:*:*:*:*:*
<= 3.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.96%
Probability of exploitation in next 30 days
EPSS Percentile
89.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0396 is in the 52nd percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.2-3.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.2-3.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: devhelp-0:0.12-19.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: yelp-0:2.16.0-21.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nss-0:3.12.1.1-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.2-5.el5
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2008-4063Critical

Mozilla crashes with evidence of memory corruption

Sep 23, 2008

References

lists.opensuse.org / opensuse-security-announce/2008-10/msg00005.html
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/31987
Vendor Advisory
secunia.com / advisories/32011
Vendor Advisory
secunia.com / advisories/32012
Vendor Advisory
secunia.com / advisories/32025
Vendor Advisory
secunia.com / advisories/32044
Vendor Advisory
secunia.com / advisories/32082
Vendor Advisory
secunia.com / advisories/32089
Vendor Advisory
secunia.com / advisories/32095
Vendor Advisory
secunia.com / advisories/32096
Vendor Advisory
secunia.com / advisories/32196
Vendor Advisory
secunia.com / advisories/34501
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/45354
slackware.com / security/viewer.php
slackware.com / security/viewer.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11151
sunsolve.sun.com / search/document.do
redhat.com / archives/fedora-package-announce/2008-September/msg01335.html
mozilla.org / security/announce/2008/mfsa2008-42.html
Vendor Advisory
redhat.com / support/errata/RHSA-2008-0879.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