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Fencer Vulns
critical 10.0

CVE-2009-3079 json

Unspecified vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to execute arbitrary JavaScript…

published 2009-09-10 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3063

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.9%
EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Unspecified vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to execute arbitrary JavaScript with chrome privileges via vectors involving an object, the FeedWriter, and the BrowserFeedWriter.

Patch / fix

  • firefox RHEL 4 3.0.14-1.el4
  • firefox RHEL 5 3.0.14-1.el5_4
  • nspr RHEL 4 4.7.5-1.el4_8
  • nspr RHEL 5 4.7.5-1.el5_4
  • xulrunner RHEL 5 1.9.0.14-1.el5_4
  • xulrunner-devel-unstable RHEL 5 1.9.0.14-1.el5_4

red hat advisories RHSA-2009:1430

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-3079 updated cvss 6.8

Firefox 3.5.3 3.0.14 Chrome privilege escalation with FeedWriter

  • Red Hat Enterprise Linux (v. 5 server) nspr 4.7.5-1.el5_4, firefox 3.0.14-1.el5_4, xulrunner 1.9.0.14-1.el5_4, xulrunner-devel-unstable 1.9.0.14-1.el5_4 Red Hat Enterprise Linux AS version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4 Red Hat Enterprise Linux Desktop (v. 5 client) nspr 4.7.5-1.el5_4, firefox 3.0.14-1.el5_4, xulrunner 1.9.0.14-1.el5_4, xulrunner-devel-unstable 1.9.0.14-1.el5_4 Red Hat Enterprise Linux Desktop version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nspr 4.7.5-1.el5_4, xulrunner 1.9.0.14-1.el5_4, xulrunner-devel-unstable 1.9.0.14-1.el5_4 Red Hat Enterprise Linux ES version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4
    fixed: vendor fix RHSA-2009:1430

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.87% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.