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TI-2015-03776 Aliases CVE-2015-4498GHSA-9xmm-8mw4-qgc6

The add-on installation feature in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x…

Priority LOW 38CWE-254Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The add-on installation feature in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to bypass an intended user-confirmation requirement by constructing a crafted data: URL and triggering navigation to an arbitrary http: or https: URL at a certain early point in the installation process.

Why it matters now

EPSS 0.02678 85th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*up to 40.0.2VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*38.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*38.0.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*38.0.5VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*38.1.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:*38.2.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 40.0.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* Versions 38.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* Versions 38.0.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:* Versions 38.0.5 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:* Versions 38.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:* Versions 38.2.0 Vulnerable ·Mozilla

Remediation

Red Hat 1 advisory

  • RHSA-2015:1693 Released 2015-08-27 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux (v. 5 server) firefox-38.2.1-1.el5_11, firefox-38.2.1-1.el5_11.i386
    • Red Hat Enterprise Linux Client (v. 7) firefox-38.2.1-1.el7_1
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-38.2.1-1.el7_1
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-38.2.1-1.el5_11, firefox-38.2.1-1.el5_11.i386
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-38.2.1-1.el6_7
    • Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-38.2.1-1.el6_7
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-38.2.1-1.el6_7
    • Red Hat Enterprise Linux Server (v. 6) firefox-38.2.1-1.el6_7
    • Red Hat Enterprise Linux Server (v. 7) firefox-38.2.1-1.ael7b_1, firefox-38.2.1-1.el7_1
    • Red Hat Enterprise Linux Server Optional (v. 6) firefox-38.2.1-1.el6_7, firefox-38.2.1-1.el6_7.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-38.2.1-1.el7_1, firefox-38.2.1-1.el7_1.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-38.2.1-1.el6_7
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-38.2.1-1.el7_1
    • Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-38.2.1-1.el6_7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-38.2.1-1.el7_1

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2015:1693
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:1693
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:1693

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-4498
  2. 2026-10-03 Alias added: GHSA-9xmm-8mw4-qgc6

References

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources