Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | iceweasel | 24.3.0esr-1~deb7u1 | DSA-2858-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | firefox +1 | 24.3.0-2.el6_5 | RHSA-2014:0133, RHSA-2014:0132 |
| RHEL 5 | firefox +1 | 24.3.0-2.el5_10 | RHSA-2014:0133, RHSA-2014:0132 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 24.3.0-2.el5_10 | RHSA-2014:0133 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 45.5.1-1.1 | openSUSE-SU-2024:10230-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Advisories 6
- RHSA-2014:0133 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2014:0132 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2858-1 iceweasel - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10071-1 MozillaFirefox-50.1.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- USN-2119-1 vendor-advisory
- http://download.novell.com/Download?buildid=Y2fux-JW1Qc
- 1029721 vdb-entry
- openSUSE-SU-2014:0212 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=947592
- 1029717 vdb-entry
- 65330 vdb-entry
- mozilla-cve20141487-info-disc(90889) vdb-entry
- https://8pecxstudios.com/?page_id=44080
- RHSA-2014:0132 vendor-advisory
- 56922 third-party-advisory
- 56787 third-party-advisory
- 1029720 vdb-entry
- 56858 third-party-advisory
- DSA-2858 vendor-advisory
- 56763 third-party-advisory
- USN-2102-2 vendor-advisory
- 102873 vdb-entry
- RHSA-2014:0133 vendor-advisory
- GLSA-201504-01 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://download.novell.com/Download?buildid=VYQsgaFpQ2k
- 56888 third-party-advisory
- FEDORA-2014-2083 vendor-advisory
- openSUSE-SU-2014:0419 vendor-advisory
- 56761 third-party-advisory
- FEDORA-2014-2041 vendor-advisory
- SUSE-SU-2014:0248 vendor-advisory
- openSUSE-SU-2014:0213 vendor-advisory
- USN-2102-1 vendor-advisory
- 56767 third-party-advisory
- 56706 third-party-advisory
- http://www.mozilla.org/security/announce/2014/mfsa2014-09.html