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CVE-2010-0176

28
FAUCET Score

CVE-2010-0176 describes a dangling pointer vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey versions prior to specific updates. This flaw, related to improper reference count management for XUL tree optgroup option elements, could allow remote attackers to execute arbitrary code. With a CVSS score of 9.3 (Critical), it indicates a network-based attack with medium complexity leading to 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 vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.6CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*
<= 3.5.7CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.1:*:*:*:*:*:*:*
0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.3:*:*:*:*:*:*:*

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
5.20%
Probability of exploitation in next 30 days
EPSS Percentile
91.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0520 is in the 60th percentile among its peer group of 8,918 CVEs.

Social Chatter

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 3Fixed in: seamonkey-0:1.0.9-0.52.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.19-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-54.el4_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-28.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.19-1.el5_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.19-1.el5_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:2.0.0.24-6.el5
View patch

Vendor Advisories (1)

redhatCVE-2010-0176Critical

Mozilla Dangling pointer vulnerability in nsTreeContentView

Mar 30, 2010

References

lists.fedoraproject.org / pipermail/package-announce/2010-April/038367.html
lists.fedoraproject.org / pipermail/package-announce/2010-April/038378.html
lists.fedoraproject.org / pipermail/package-announce/2010-April/038406.html
lists.opensuse.org / opensuse-security-announce/2010-06/msg00001.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/38566
Vendor Advisory
secunia.com / advisories/39117
Vendor Advisory
secunia.com / advisories/39136
Vendor Advisory
secunia.com / advisories/39204
Vendor Advisory
secunia.com / advisories/39240
Vendor Advisory
secunia.com / advisories/39242
Vendor Advisory
secunia.com / advisories/39243
Vendor Advisory
secunia.com / advisories/39308
secunia.com / advisories/39397
securitytracker.com / id
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/57392
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11052
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7222
ubuntu.com / usn/usn-921-1
debian.org / security/2010/dsa-2027
mandriva.com / security/advisories
mozilla.org / security/announce/2010/mfsa2010-18.html
redhat.com / support/errata/RHSA-2010-0332.html
redhat.com / support/errata/RHSA-2010-0333.html
vupen.com / english/advisories/2010/0748
Vendor Advisory
vupen.com / english/advisories/2010/0764
Vendor Advisory
vupen.com / english/advisories/2010/0765
Vendor Advisory
vupen.com / english/advisories/2010/0781
vupen.com / english/advisories/2010/0790
vupen.com / english/advisories/2010/0849