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CVE-2009-3079

28
FAUCET Score

CVE-2009-3079 is an unspecified vulnerability affecting Mozilla Firefox versions prior to 3.0.14 and 3.5.3. This flaw allows remote attackers to execute arbitrary JavaScript with chrome privileges through a specific interaction involving an object, the FeedWriter, and the BrowserFeedWriter. It carries a critical CVSS score of 10.0, indicating a network-based attack with low complexity and 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
<= 3.0.13CPE 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

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
3.87%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0387 is in the 81st percentile among its peer group of 51,553 CVEs.

Social Chatter

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 (6)

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 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-2009-3079Critical

Firefox 3.5.3 3.0.14 Chrome privilege escalation with FeedWriter

Sep 9, 2009

References

bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/36670
secunia.com / advisories/36671
secunia.com / advisories/36757
secunia.com / advisories/37098
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10390
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6250
debian.org / security/2009/dsa-1886
mozilla.org / security/announce/2009/mfsa2009-51.html
Vendor Advisory
novell.com / linux/security/advisories/2009_48_firefox.html
redhat.com / support/errata/RHSA-2009-1430.html
securityfocus.com / bid/36343
securitytracker.com / id