The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before…
Priority LOW 37CWE-346Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-346.
Summary
The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to bypass the Same Origin Policy and obtain sensitive authentication information via vectors involving error messages.
Why it matters now
EPSS 0.02316 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 27.0; 24.0 to before 24.3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | before 2.24 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 24.3 | Vulnerable | Mozilla |
| cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* | 19 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* | 20 | Vulnerable | Fedoraproject |
| cpe:2.3:a:suse:suse_linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:* | 11.0 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp3:*:*:*:*:*:* | 11 sp3 | Vulnerable | SUSE |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 27.0; 24.0 to before 24.3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 2.24 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 24.3 Vulnerable ·Mozilla
- cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* Versions 19 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* Versions 20 Vulnerable ·Fedoraproject
- cpe:2.3:a:suse:suse_linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:* Versions 11.0 sp3 Vulnerable ·SUSE
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:-:*:* | 11 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:vmware:*:* | 11 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:* | 13.10 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
- cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:-:*:* Versions 11 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:vmware:*:* Versions 11 sp3 Vulnerable ·SUSE
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:* Versions 13.10 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Remediation
Red Hat 2 advisories
- RHSA-2014:0132 Released 2014-02-04 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux (v. 5 server) firefox-24.3.0-2.el5_10, firefox-24.3.0-2.el5_10.i386, firefox-24.3.0-2.el5_10.ia64 +1
- Red Hat Enterprise Linux Desktop (v. 5 client) firefox-24.3.0-2.el5_10, firefox-24.3.0-2.el5_10.i386
- Red Hat Enterprise Linux Desktop (v. 6) firefox-24.3.0-2.el6_5
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-24.3.0-2.el6_5
- Red Hat Enterprise Linux Server (v. 6) firefox-24.3.0-2.el6_5, firefox-24.3.0-2.el6_5.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-24.3.0-2.el6_5
- RHSA-2014:0133 Released 2014-02-04 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-24.3.0-2.el5_10, thunderbird-24.3.0-2.el5_10.i386
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-24.3.0-2.el6_5
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-24.3.0-2.el5_10, thunderbird-24.3.0-2.el5_10.i386
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-24.3.0-2.el6_5
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-24.3.0-2.el6_5
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2014:0132 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2014:0132, RHSA-2014:0133 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2014:0132, RHSA-2014:0133 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2014:0132 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2014:0133 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2014:0132 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2014:0133 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2014:0132, RHSA-2014:0133 |
Timeline
- 2026-10-02 Threatist record created from CVE-2014-1487
- 2026-10-03 Alias added: GHSA-56gp-p8f3-47px
References
Advisory 15
- USN-2119-1
- openSUSE-SU-2014:0212
- RHSA-2014:0132
- DSA-2858
- USN-2102-2
- RHSA-2014:0133
- GLSA-201504-01
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- FEDORA-2014-2083
- openSUSE-SU-2014:0419
- FEDORA-2014-2041
- SUSE-SU-2014:0248
- openSUSE-SU-2014:0213
- USN-2102-1
- http://www.mozilla.org/security/announce/2014/mfsa2014-09.html
Sources
- CVE-2014-1487 · CVE Program
- CVE-2014-1487 · NVD
- FIRST EPSS
- GHSA-56gp-p8f3-47px · GitHub Advisory Database · CC BY 4.0
- CVE-2014-1487 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences