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CVE-2008-5016

15
FAUCET Score

CVE-2008-5016 describes a denial-of-service vulnerability in the layout engine of Mozilla Firefox 3.x, Thunderbird 2.x, and SeaMonkey 1.x. Remote attackers can trigger a crash through various vectors, leading to an assertion failure. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, resulting in a partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0:alpha:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0:beta2:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0:beta5:*:*:*:*:*:*

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
2.29%
Probability of exploitation in next 30 days
EPSS Percentile
81.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0229 is in the 72nd percentile among its peer group of 23,705 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 (13)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: yelp-0:2.16.0-22.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: seamonkey-0:1.0.9-0.21.el2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.25.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-17.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-28.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.4-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: nss-0:3.12.1.1-3.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:2.0.0.18-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: devhelp-0:0.12-20.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.4-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nss-0:3.12.1.1-3.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.4-1.el5
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2008-5016Critical

Mozilla crash with evidence of memory corruption

Nov 12, 2008

References

lists.opensuse.org / opensuse-security-announce/2008-11/msg00004.html
bugzilla.mozilla.org / buglist.cgi
secunia.com / advisories/32684
secunia.com / advisories/32694
secunia.com / advisories/32695
secunia.com / advisories/32713
secunia.com / advisories/32721
secunia.com / advisories/32778
secunia.com / advisories/32798
secunia.com / advisories/34501
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11356
sunsolve.sun.com / search/document.do
redhat.com / archives/fedora-package-announce/2008-November/msg00366.html
redhat.com / archives/fedora-package-announce/2008-November/msg00385.html
ubuntu.com / usn/usn-667-1
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2008/mfsa2008-52.html
Vendor Advisory
redhat.com / support/errata/RHSA-2008-0976.html
redhat.com / support/errata/RHSA-2008-0977.html
redhat.com / support/errata/RHSA-2008-0978.html
securityfocus.com / bid/32281
securitytracker.com / id
us-cert.gov / cas/techalerts/TA08-319A.html
US Government Resource
vupen.com / english/advisories/2008/3146
vupen.com / english/advisories/2009/0977