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CVE-2009-3077

27
FAUCET Score

CVE-2009-3077 is a critical vulnerability affecting Mozilla Firefox versions prior to 3.0.14 and 3.5.3, stemming from improper pointer management in XUL tree elements. This flaw allows remote attackers to execute arbitrary code through a crafted HTML document, leveraging a dangling pointer vulnerability. With a CVSS score of 9.3 (Critical), it presents a high risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.13CPE 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:*:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.4:*:*:*:*:*:*:*

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
4.62%
Probability of exploitation in next 30 days
EPSS Percentile
90.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0462 is in the 56th percentile among its peer group of 8,920 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 (10)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:2.0.0.24-2.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.45.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.14-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: nspr-0:4.7.5-1.el4_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-48.el4_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-25.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.14-1.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nspr-0:4.7.5-1.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.14-1.el5_4
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-3077Critical

Firefox 3.5.3 3.0.14 TreeColumns dangling pointer vulnerability

Sep 9, 2009

References

lists.opensuse.org / opensuse-security-announce/2010-06/msg00001.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/36669
secunia.com / advisories/36670
secunia.com / advisories/36671
secunia.com / advisories/36692
secunia.com / advisories/37098
secunia.com / advisories/38977
secunia.com / advisories/39001
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10730
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5606
debian.org / security/2009/dsa-1885
mozilla.org / security/announce/2009/mfsa2009-49.html
Vendor Advisory
novell.com / linux/security/advisories/2009_48_firefox.html
redhat.com / support/errata/RHSA-2009-1430.html
redhat.com / support/errata/RHSA-2009-1431.html
redhat.com / support/errata/RHSA-2009-1432.html
redhat.com / support/errata/RHSA-2010-0153.html
redhat.com / support/errata/RHSA-2010-0154.html
securityfocus.com / bid/36343
ubuntu.com / usn/USN-915-1
vupen.com / english/advisories/2010/0650