Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 45.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to js/src/jit/arm/Assembler-arm.cpp, and unknown other vectors.
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 14 | firefox-esr | 45.0esr-1 | — |
| Debian 13 | firefox-esr | 45.0esr-1 | — |
| Debian 12 | firefox-esr | 45.0esr-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 45.0+build2-0ubuntu0.14.04.1 | USN-2917-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | MozillaFirefox | 38.7.0esr-63.3 | SUSE-SU-2016:0727-1 |
| SLES 12 SP1 | mozilla-nspr | 4.12-12.1 | SUSE-SU-2016:0727-1 |
| SLES 12 SP1 | mozilla-nss | 3.20.2-40.1 | SUSE-SU-2016:0727-1 |
| SLES 12 | MozillaFirefox | 38.7.0esr-63.3 | SUSE-SU-2016:0727-1 |
| SLES 12 | mozilla-nspr | 4.12-12.1 | SUSE-SU-2016:0727-1 |
| SLES 12 | mozilla-nss | 3.20.2-40.1 | SUSE-SU-2016:0727-1 |
| SLES 11 SP4 | MozillaFirefox | 38.7.0esr-37.3 | SUSE-SU-2016:0777-1 |
| SLES 11 SP4 | mozilla-nspr | 4.12-24.1 | SUSE-SU-2016:0777-1 |
| SLES 11 SP4 | mozilla-nss | 3.20.2-28.1 | SUSE-SU-2016:0777-1 |
| SLES 11 SP3 | MozillaFirefox | 38.7.0esr-37.3 | SUSE-SU-2016:0777-1 |
| SLES 11 SP3 | mozilla-nspr | 4.12-24.1 | SUSE-SU-2016:0777-1 |
| SLES 11 SP3 | mozilla-nss | 3.20.2-28.1 | SUSE-SU-2016:0777-1 |
| SLES 11 SP2 | MozillaFirefox | 38.7.0esr-36.3 | SUSE-SU-2016:0909-1 |
| SLES 11 SP2 | mozilla-nspr | 4.12-19.1 | SUSE-SU-2016:0909-1 |
| SLES 11 SP2 | mozilla-nss | 3.20.2-20.1 | SUSE-SU-2016:0909-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | MozillaFirefox | 38.7.0esr-63.3 | SUSE-SU-2016:0727-1 |
| SLES for SAP 12 SP1 | mozilla-nspr | 4.12-12.1 | SUSE-SU-2016:0727-1 |
| SLES for SAP 12 SP1 | mozilla-nss | 3.20.2-40.1 | SUSE-SU-2016:0727-1 |
| SLES for SAP 12 | MozillaFirefox | 38.7.0esr-63.3 | SUSE-SU-2016:0727-1 |
| SLES for SAP 12 | mozilla-nspr | 4.12-12.1 | SUSE-SU-2016:0727-1 |
| SLES for SAP 12 | mozilla-nss | 3.20.2-40.1 | SUSE-SU-2016:0727-1 |
| SLES for SAP 11 SP4 | MozillaFirefox | 38.7.0esr-37.3 | SUSE-SU-2016:0777-1 |
| SLES for SAP 11 SP4 | mozilla-nspr | 4.12-24.1 | SUSE-SU-2016:0777-1 |
| SLES for SAP 11 SP4 | mozilla-nss | 3.20.2-28.1 | SUSE-SU-2016:0777-1 |
| SUSE Package Hub 12 | MozillaThunderbird | 45.2-6.1 | openSUSE-SU-2016:1778-1, openSUSE-SU-2016:1769-1 |
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 |
Advisories 8
- USN-2917-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2016:0727-1 Security update for MozillaFirefox, mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2016:1778-1 Security update for Mozilla Thunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:0909-1 Security update for MozillaFirefox, mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2016:1769-1 Security update for Mozilla Thunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:0777-1 Security update for MozillaFirefox, mozilla-nspr, mozilla-nss 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
- https://bugzilla.mozilla.org/show_bug.cgi?id=1243583
- https://bugzilla.mozilla.org/show_bug.cgi?id=1234425
- https://bugzilla.mozilla.org/show_bug.cgi?id=1236519
- https://bugzilla.mozilla.org/show_bug.cgi?id=1248794
- SUSE-SU-2016:0820 vendor-advisory
- openSUSE-SU-2016:1767 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1238935
- https://bugzilla.mozilla.org/show_bug.cgi?id=1225618
- openSUSE-SU-2016:0731 vendor-advisory
- SUSE-SU-2016:0727 vendor-advisory
- openSUSE-SU-2016:1778 vendor-advisory
- http://www.mozilla.org/security/announce/2016/mfsa2016-16.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1245866
- USN-2917-1 vendor-advisory
- openSUSE-SU-2016:1769 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1224363
- https://bugzilla.mozilla.org/show_bug.cgi?id=1224361
- https://bugzilla.mozilla.org/show_bug.cgi?id=1243555
- SUSE-SU-2016:0909 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1207958
- https://bugzilla.mozilla.org/show_bug.cgi?id=1241731
- openSUSE-SU-2016:0733 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1247236
- https://bugzilla.mozilla.org/show_bug.cgi?id=1238558
- 1035215 vdb-entry
- SUSE-SU-2016:0777 vendor-advisory
- GLSA-201605-06 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1224369
- https://bugzilla.mozilla.org/show_bug.cgi?id=1205163
- USN-2917-2 vendor-advisory
- USN-2917-3 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1199171