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TI-2015-03770 Aliases CVE-2015-4492GHSA-wrm5-mpfp-r9x4

Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla…

Priority MEDIUM 40Published · 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

Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object.

Why it matters now

EPSS 0.04478 91st 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 · 11

CPEVersionsRoleVendor
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*11.3VulnerableOracle
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*up to 39.0.3VulnerableMozilla
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:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*15.04VulnerableCanonical
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*13.1VulnerableopenSUSE
  • cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 39.0.3 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:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
  • cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*13.2VulnerableopenSUSE
  • cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE

Remediation

Red Hat 1 advisory

  • RHSA-2015:1586 Released 2015-08-11 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux (v. 5 server) firefox-38.2.0-4.el5_11, firefox-38.2.0-4.el5_11.i386
    • Red Hat Enterprise Linux Client (v. 7) firefox-38.2.0-4.el7_1
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-38.2.0-4.el7_1
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-38.2.0-4.el5_11, firefox-38.2.0-4.el5_11.i386
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-38.2.0-4.el6_7
    • Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-38.2.0-4.el6_7
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-38.2.0-4.el6_7
    • Red Hat Enterprise Linux Server (v. 6) firefox-38.2.0-4.el6_7
    • Red Hat Enterprise Linux Server (v. 7) firefox-38.2.0-4.ael7b_1, firefox-38.2.0-4.el7_1
    • Red Hat Enterprise Linux Server Optional (v. 6) firefox-38.2.0-4.el6_7, firefox-38.2.0-4.el6_7.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-38.2.0-4.el7_1, firefox-38.2.0-4.el7_1.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-38.2.0-4.el6_7
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-38.2.0-4.el7_1
    • Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-38.2.0-4.el6_7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-38.2.0-4.el7_1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:1586
Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-4492
  2. 2026-10-03 Alias added: GHSA-wrm5-mpfp-r9x4

References

Advisory 15

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences