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TI-2014-01191 Aliases CVE-2014-1538GHSA-qwgq-rxww-h5mj

Use-after-free vulnerability in the nsTextEditRules::CreateMozBR function in Mozilla…

Priority MEDIUM 51Published · 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 nsTextEditRules::CreateMozBR function in Mozilla Firefox before 30.0, Firefox ESR 24.x before 24.6, and Thunderbird before 24.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Why it matters now

EPSS 0.04913 92nd 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 29.0.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:24.0:*:*:*:*:*:*:*24.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:24.0.1:*:*:*:*:*:*:*24.0.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:24.0.2:*:*:*:*:*:*:*24.0.2VulnerableMozilla
cpe:2.3:a:mozilla:firefox:24.1.0:*:*:*:*:*:*:*24.1.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:24.1.1:*:*:*:*:*:*:*24.1.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:24.2:*:*:*:*:*:*:*24.2VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:24.3:*:*:*:*:*:*:*24.3VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:24.4:*:*:*:*:*:*:*24.4VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:24.5:*:*:*:*:*:*:*24.5VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 29.0.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:24.0:*:*:*:*:*:*:* Versions 24.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:24.0.1:*:*:*:*:*:*:* Versions 24.0.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:24.0.2:*:*:*:*:*:*:* Versions 24.0.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:24.1.0:*:*:*:*:*:*:* Versions 24.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:24.1.1:*:*:*:*:*:*:* Versions 24.1.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:24.2:*:*:*:*:*:*:* Versions 24.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:24.3:*:*:*:*:*:*:* Versions 24.3 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:24.4:*:*:*:*:*:*:* Versions 24.4 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:24.5:*:*:*:*:*:*:* Versions 24.5 Vulnerable ·Mozilla
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*up to 24.5VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:24.0:*:*:*:*:*:*:*24.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:24.0.1:*:*:*:*:*:*:*24.0.1VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:24.1:*:*:*:*:*:*:*24.1VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:24.1.1:*:*:*:*:*:*:*24.1.1VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:24.2:*:*:*:*:*:*:*24.2VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:24.3:*:*:*:*:*:*:*24.3VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:24.4:*:*:*:*:*:*:*24.4VulnerableMozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions up to 24.5 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:24.0:*:*:*:*:*:*:* Versions 24.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:24.0.1:*:*:*:*:*:*:* Versions 24.0.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:24.1:*:*:*:*:*:*:* Versions 24.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:24.1.1:*:*:*:*:*:*:* Versions 24.1.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:24.2:*:*:*:*:*:*:* Versions 24.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:24.3:*:*:*:*:*:*:* Versions 24.3 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:24.4:*:*:*:*:*:*:* Versions 24.4 Vulnerable ·Mozilla

Remediation

Red Hat 2 advisories

  • RHSA-2014:0741 Released 2014-06-10 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux (v. 5 server) firefox-24.6.0-1.el5_10, firefox-24.6.0-1.el5_10.i386, firefox-24.6.0-1.el5_10.ia64 +1
    • Red Hat Enterprise Linux Client (v. 7) firefox-24.6.0-1.el7_0, xulrunner-24.6.0-1.el7_0
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-24.6.0-1.el7_0, xulrunner-devel-24.6.0-1.el7_0
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) xulrunner-24.6.0-1.el7_0, xulrunner-devel-24.6.0-1.el7_0
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-24.6.0-1.el5_10, firefox-24.6.0-1.el5_10.i386
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-24.6.0-1.el6_5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-24.6.0-1.el6_5
    • Red Hat Enterprise Linux Server (v. 6) firefox-24.6.0-1.el6_5, firefox-24.6.0-1.el6_5.ppc
    • Red Hat Enterprise Linux Server (v. 7) firefox-24.6.0-1.el7_0, xulrunner-24.6.0-1.el7_0, xulrunner-24.6.0-1.el7_0.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-24.6.0-1.el7_0, firefox-24.6.0-1.el7_0.ppc, xulrunner-24.6.0-1.el7_0 +2
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-24.6.0-1.el6_5
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-24.6.0-1.el7_0, xulrunner-24.6.0-1.el7_0
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-24.6.0-1.el7_0, xulrunner-devel-24.6.0-1.el7_0
  • RHSA-2014:0742 Released 2014-06-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-24.6.0-1.el5_10, thunderbird-24.6.0-1.el5_10.i386
    • Red Hat Enterprise Linux Desktop (v. 6) thunderbird-24.6.0-1.el6_5
    • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-24.6.0-1.el5_10, thunderbird-24.6.0-1.el5_10.i386
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-24.6.0-1.el6_5
    • Red Hat Enterprise Linux Workstation (v. 6) thunderbird-24.6.0-1.el6_5

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-2014:0741
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2014:0741
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2014:0741
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2014:0741
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2014:0741, RHSA-2014:0742
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:0741, RHSA-2014:0742
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:0741
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server)Fixed RHSA-2014:0742
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:0741
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2014:0741
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:0742
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2014:0741
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:0741, RHSA-2014:0742
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2014:0741
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2014:0741

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-1538
  2. 2026-10-03 Alias added: GHSA-qwgq-rxww-h5mj

References

Advisory 13

Other 5

  • 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

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