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Fencer Vulns
low 2.6

CVE-2009-0354 json

Cross-domain vulnerability in js/src/jsobj.cpp in Mozilla Firefox 3.x before 3.0.6 allows remote attackers to bypass the Same Origin Policy…

published 2009-02-04 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0358

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Cross-domain vulnerability in js/src/jsobj.cpp in Mozilla Firefox 3.x before 3.0.6 allows remote attackers to bypass the Same Origin Policy, and access the properties of an arbitrary window and conduct cross-site scripting (XSS) attacks, via vectors involving a chrome XBL method and the window.eval function.

Patch / fix

  • firefox RHEL 4 3.0.6-1.el4
  • firefox RHEL 5 3.0.6-1.el5
  • nss RHEL 4 3.12.2.0-3.el4
  • nss RHEL 5 3.12.2.0-4.el5
  • nss-tools RHEL 4 3.12.2.0-3.el4
  • nss-tools RHEL 5 3.12.2.0-4.el5
  • xulrunner RHEL 5 1.9.0.6-1.el5
  • xulrunner-devel-unstable RHEL 5 1.9.0.6-1.el5

red hat advisories RHSA-2009:0256

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 92.0-1.2

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10600-1

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-2009-0354 updated cvss 2.6

Firefox XSS using a chrome XBL method and window.eval

  • Red Hat Enterprise Linux (v. 5 server) nss 3.12.2.0-4.el5, firefox 3.0.6-1.el5, xulrunner 1.9.0.6-1.el5, nss-tools 3.12.2.0-4.el5, xulrunner-devel-unstable 1.9.0.6-1.el5 Red Hat Enterprise Linux AS version 4 nss 3.12.2.0-3.el4, firefox 3.0.6-1.el4, nss-tools 3.12.2.0-3.el4 Red Hat Enterprise Linux Desktop (v. 5 client) nss 3.12.2.0-4.el5, firefox 3.0.6-1.el5, xulrunner 1.9.0.6-1.el5, nss-tools 3.12.2.0-4.el5, xulrunner-devel-unstable 1.9.0.6-1.el5 Red Hat Enterprise Linux Desktop version 4 nss 3.12.2.0-3.el4, firefox 3.0.6-1.el4, nss-tools 3.12.2.0-3.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nss 3.12.2.0-4.el5, xulrunner 1.9.0.6-1.el5, nss-tools 3.12.2.0-4.el5, xulrunner-devel-unstable 1.9.0.6-1.el5 Red Hat Enterprise Linux ES version 4 nss 3.12.2.0-3.el4, firefox 3.0.6-1.el4, nss-tools 3.12.2.0-3.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 nss 3.12.2.0-3.el4, firefox 3.0.6-1.el4, nss-tools 3.12.2.0-3.el4
    fixed: vendor fix RHSA-2009:0256

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

2.32% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 2.6 AV:N/AC:H/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.