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TI-2015-02407 Aliases CVE-2015-2731GHSA-x5r4-6m79-9q47

Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask…

Priority MEDIUM 52Published · 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
Complete · Complete · Complete
Fix status
Fixed

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

Summary

Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.

Why it matters now

EPSS 0.05746 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

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 · 18

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*up to 38.1.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*up to 38.0.1VulnerableMozilla
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*11.3VulnerableOracle
cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:*31.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:*31.1.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:31.1.1:*:*:*:*:*:*:*31.1.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:31.3.0:*:*:*:*:*:*:*31.3.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:31.5.1:*:*:*:*:*:*:*31.5.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:31.5.2:*:*:*:*:*:*:*31.5.2VulnerableMozilla
cpe:2.3:a:mozilla:firefox:31.5.3:*:*:*:*:*:*:*31.5.3VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 38.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions up to 38.0.1 Vulnerable ·Mozilla
  • cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
  • cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:* Versions 31.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:* Versions 31.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:31.1.1:*:*:*:*:*:*:* Versions 31.1.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:31.3.0:*:*:*:*:*:*:* Versions 31.3.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:31.5.1:*:*:*:*:*:*:* Versions 31.5.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:31.5.2:*:*:*:*:*:*:* Versions 31.5.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:31.5.3:*:*:*:*:*:*:* Versions 31.5.3 Vulnerable ·Mozilla
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*38.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:31.1:*:*:*:*:*:*:*31.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:31.2:*:*:*:*:*:*:*31.2VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:31.3:*:*:*:*:*:*:*31.3VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:31.4:*:*:*:*:*:*:*31.4VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:31.5:*:*:*:*:*:*:*31.5VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:31.6.0:*:*:*:*:*:*:*31.6.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:31.7.0:*:*:*:*:*:*:*31.7.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* Versions 38.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:31.1:*:*:*:*:*:*:* Versions 31.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:31.2:*:*:*:*:*:*:* Versions 31.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:31.3:*:*:*:*:*:*:* Versions 31.3 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:31.4:*:*:*:*:*:*:* Versions 31.4 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:31.5:*:*:*:*:*:*:* Versions 31.5 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:31.6.0:*:*:*:*:*:*:* Versions 31.6.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:31.7.0:*:*:*:*:*:*:* Versions 31.7.0 Vulnerable ·Mozilla

Remediation

Red Hat 2 advisories

  • RHSA-2015:1455 Released 2015-07-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux Client (v. 7) thunderbird-31.8.0-1.el7_1
    • Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-31.8.0-1.el5_11, thunderbird-31.8.0-1.el5_11.i386
    • Red Hat Enterprise Linux Desktop (v. 6) thunderbird-31.8.0-1.el6_6
    • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-31.8.0-1.el5_11, thunderbird-31.8.0-1.el5_11.i386
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-31.8.0-1.el6_6
    • Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-31.8.0-1.ael7b_1, thunderbird-31.8.0-1.el7_1
    • Red Hat Enterprise Linux Workstation (v. 6) thunderbird-31.8.0-1.el6_6
    • Red Hat Enterprise Linux Workstation (v. 7) thunderbird-31.8.0-1.el7_1
  • RHSA-2015:1207 Released 2015-07-03 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux (v. 5 server) firefox-38.1.0-1.el5_11, firefox-38.1.0-1.el5_11.i386
    • Red Hat Enterprise Linux Client (v. 7) firefox-38.1.0-1.el7_1
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-38.1.0-1.el7_1
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-38.1.0-1.el5_11, firefox-38.1.0-1.el5_11.i386
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-38.1.0-1.el6_6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-38.1.0-1.el6_6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-38.1.0-1.el6_6
    • Red Hat Enterprise Linux Server (v. 6) firefox-38.1.0-1.el6_6
    • Red Hat Enterprise Linux Server (v. 7) firefox-38.1.0-1.ael7b_1, firefox-38.1.0-1.el7_1
    • Red Hat Enterprise Linux Server Optional (v. 6) firefox-38.1.0-1.el6_6, firefox-38.1.0-1.el6_6.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-38.1.0-1.el7_1, firefox-38.1.0-1.el7_1.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-38.1.0-1.el6_6
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-38.1.0-1.el7_1
    • Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-38.1.0-1.el6_6
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-38.1.0-1.el7_1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2015:1207
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:1207, RHSA-2015:1455
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:1207
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2015:1207, RHSA-2015:1455
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:1207, RHSA-2015:1455
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2015:1207
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2015:1207
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server)Fixed RHSA-2015:1455
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:1207
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:1207
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2015:1207, RHSA-2015:1455
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:1207, RHSA-2015:1455
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:1207, RHSA-2015:1455
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:1207, RHSA-2015:1455
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:1207
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:1207

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-2731
  2. 2026-10-03 Alias added: GHSA-x5r4-6m79-9q47

References

Advisory 10

Other 1

Sources

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