Description
Use-after-free vulnerability in the nsDocLoader::OnProgress function in Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 allows remote attackers to execute arbitrary code via vectors that trigger a FireOnStateChange event.
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 | 24.7.0-1~deb7u1 | DSA-2996-1 |
| Debian 7 | iceweasel | 24.7.0esr-1~deb7u1 | DSA-2986-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 31.0+build1-0ubuntu0.14.04.1 | USN-2295-1 |
| Ubuntu 14.04 LTS | thunderbird | 1:31.0+build1-0ubuntu0.14.04.1 | USN-2296-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | firefox +2 | 24.7.0-1.el7_0 | RHSA-2014:0919 |
| RHEL 6 | firefox +1 | 24.7.0-1.el6_5 | RHSA-2014:0919, RHSA-2014:0918 |
| RHEL 5 | firefox +1 | 24.7.0-1.el5_10 | RHSA-2014:0919, RHSA-2014:0918 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 24.7.0-1.el5_10 | RHSA-2014:0918 |
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 +2 | 24.7.0-1.0.1.el7_0 | ELSA-2014-0919 |
Advisories 10
- RHSA-2014:0918 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2014:0919 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-2295-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2296-1 thunderbird vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-2996-1 icedove - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2986-1 iceweasel - 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-2014-0919 Critical: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 22, 2014
References
- 68814 vdb-entry
- 59719 third-party-advisory
- 60083 third-party-advisory
- 60621 third-party-advisory
- GLSA-201504-01 vendor-advisory
- 60306 third-party-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://linux.oracle.com/errata/ELSA-2014-0918.html
- 1030620 vdb-entry
- http://www.mozilla.org/security/announce/2014/mfsa2014-61.html
- DSA-2996 vendor-advisory
- 1030619 vdb-entry
- 60486 third-party-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1023121
- 60628 third-party-advisory
- DSA-2986 vendor-advisory
- 59760 third-party-advisory
- 59591 third-party-advisory