Description
Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 32.0, Firefox ESR 24.x before 24.8 and 31.x before 31.1, and Thunderbird 24.x before 24.8 and 31.x before 31.1 allows remote attackers to execute arbitrary code via text that is improperly handled during the interaction between directionality resolution and layout.
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 | icedove | 24.8.0-1~deb7u1 | DSA-3028-1 |
| Debian 7 | iceweasel | 24.8.0esr-1~deb7u1 | DSA-3018-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 32.0+build1-0ubuntu0.14.04.1 | USN-2329-1 |
| Ubuntu 14.04 LTS | thunderbird | 1:31.1.1+build1-0ubuntu0.14.04.1 | USN-2330-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | firefox +2 | 24.8.0-1.el7_0 | RHSA-2014:1144 |
| RHEL 6 | firefox +1 | 24.8.0-1.el6_5 | RHSA-2014:1145, RHSA-2014:1144 |
| RHEL 5 | firefox | 24.8.0-2.el5_10 | RHSA-2014:1144 |
| RHEL 5 | thunderbird | 24.8.0-1.el5_10 | RHSA-2014:1145 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 24.8.0-1.el5_10 | RHSA-2014:1145 |
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 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | firefox | 24.8.0-2.0.1.el5_10 | ELSA-2014-1144 |
| Oracle Linux 7 | xulrunner +1 | 24.8.0-1.0.1.el7_0 | ELSA-2014-1144 |
Advisories 10
- RHSA-2014:1144 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:1145 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-2330-1 thunderbird vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2329-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3018-1 iceweasel - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3028-1 icedove - security update 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
- ELSA-2014-1144 Critical: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 3, 2014
References
- openSUSE-SU-2015:0138 vendor-advisory
- http://www.mozilla.org/security/announce/2014/mfsa2014-72.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1037641
- SUSE-SU-2014:1112 vendor-advisory
- 69520 vdb-entry
- GLSA-201504-01 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- DSA-3018 vendor-advisory
- 1030794 vdb-entry
- SUSE-SU-2014:1120 vendor-advisory
- openSUSE-SU-2015:1266 vendor-advisory
- 60186 third-party-advisory
- 61390 third-party-advisory
- openSUSE-SU-2014:1098 vendor-advisory
- 60148 third-party-advisory
- openSUSE-SU-2014:1099 vendor-advisory
- 61114 third-party-advisory
- DSA-3028 vendor-advisory
- SUSE-SU-2014:1107 vendor-advisory
- 1030793 vdb-entry