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Fencer Vulns
medium 5.1

CVE-2008-5015 json

Mozilla Firefox 3.x before 3.0.4 assigns chrome privileges to a file: URI when it is accessed in the same tab from a chrome or privileged a…

published 2008-11-13 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4994

cvss
5.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

Mozilla Firefox 3.x before 3.0.4 assigns chrome privileges to a file: URI when it is accessed in the same tab from a chrome or privileged about: page, which makes it easier for user-assisted attackers to execute arbitrary JavaScript with chrome privileges via malicious code in a file that has already been saved on the local system.

Patch / fix

  • firefox RHEL 4 3.0.4-1.el4
  • firefox RHEL 5 3.0.4-1.el5
  • nss RHEL 4 3.12.1.1-3.el4
  • nss RHEL 5 3.12.1.1-3.el5
  • yelp RHEL 5 2.16.0-22.el5
  • devhelp RHEL 5 0.12-20.el5
  • nss-tools RHEL 5 3.12.1.1-3.el5
  • xulrunner RHEL 5 1.9.0.4-1.el5

red hat advisories RHSA-2008:0978

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-2008-5015 updated

file: URIs inherit chrome privileges

  • Red Hat Enterprise Linux (v. 5 server) nss 3.12.1.1-3.el5, yelp 2.16.0-22.el5, devhelp 0.12-20.el5, firefox 3.0.4-1.el5, xulrunner 1.9.0.4-1.el5, nss-tools 3.12.1.1-3.el5, +1 more Red Hat Enterprise Linux AS version 4 nss 3.12.1.1-3.el4, firefox 3.0.4-1.el4 Red Hat Enterprise Linux Desktop (v. 5 client) nss 3.12.1.1-3.el5, yelp 2.16.0-22.el5, devhelp 0.12-20.el5, firefox 3.0.4-1.el5, xulrunner 1.9.0.4-1.el5, nss-tools 3.12.1.1-3.el5, +1 more Red Hat Enterprise Linux Desktop version 4 nss 3.12.1.1-3.el4, firefox 3.0.4-1.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nss 3.12.1.1-3.el5, devhelp 0.12-20.el5, xulrunner 1.9.0.4-1.el5, nss-tools 3.12.1.1-3.el5, xulrunner-devel-unstable 1.9.0.4-1.el5 Red Hat Enterprise Linux ES version 4 nss 3.12.1.1-3.el4, firefox 3.0.4-1.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 nss 3.12.1.1-3.el4, firefox 3.0.4-1.el4
    fixed: vendor fix RHSA-2008:0978

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

2.21% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

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.