Description
PDF.js in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 enables excessive privileges for internal Workers, which might allow remote attackers to execute arbitrary code by leveraging a Same Origin Policy bypass.
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 8 | iceweasel | 31.8.0esr-1~deb8u1 | DSA-3300-1 |
| Debian 7 | iceweasel | 31.8.0esr-1~deb7u1 | DSA-3300-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 39.0+build5-0ubuntu0.14.04.1 | USN-2656-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | firefox | 38.1.0-1.el7_1 | RHSA-2015:1207 |
| RHEL 6 | firefox | 38.1.0-1.el6_6 | RHSA-2015:1207 |
| RHEL 5 | firefox | 38.1.0-1.el5_11 | RHSA-2015:1207 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | MozillaFirefox | 31.8.0esr-37.3 | SUSE-SU-2015:1269-1 |
| SLES 12 | mozilla-nspr | 4.10.8-3.1 | SUSE-SU-2015:1269-1 |
| SLES 12 | mozilla-nss | 3.19.2_CKBI_1.98-21.1 | SUSE-SU-2015:1269-1 |
| SLES 11 SP4 | MozillaFirefox | 31.8.0esr-0.10.1 | SUSE-SU-2015:1268-2, SUSE-SU-2015:1268-1 |
| SLES 11 SP4 | mozilla-nspr | 4.10.8-0.5.1 | SUSE-SU-2015:1268-2, SUSE-SU-2015:1268-1 |
| SLES 11 SP4 | mozilla-nss | 3.19.2_CKBI_1.98-0.10.1 | SUSE-SU-2015:1268-2, SUSE-SU-2015:1268-1 |
| SLES 11 SP3 | MozillaFirefox | 31.8.0esr-0.10.1 | SUSE-SU-2015:1268-2 |
| SLES 11 SP3 | mozilla-nspr | 4.10.8-0.5.1 | SUSE-SU-2015:1268-2 |
| SLES 11 SP3 | mozilla-nss | 3.19.2_CKBI_1.98-0.10.1 | SUSE-SU-2015:1268-2 |
| SLES 11 SP2 | MozillaFirefox | 38.2.0esr-10.1 | SUSE-SU-2015:1449-1 |
| SLES 11 SP2 | MozillaFirefox-branding-SLED | 31.0-0.5.7.11 | SUSE-SU-2015:1449-1 |
| SLES 11 SP2 | firefox-gcc47 | 4.7.2_20130108-0.37.2 | SUSE-SU-2015:1449-1 |
| SLES 11 SP2 | mozilla-nss | 3.19.2.0-0.7.1 | SUSE-SU-2015:1449-1 |
| SLES 11 SP1 | MozillaFirefox | 38.2.0esr-10.1 | SUSE-SU-2015:1449-1 |
| SLES 11 SP1 | MozillaFirefox-branding-SLED | 31.0-0.5.7.11 | SUSE-SU-2015:1449-1 |
| SLES 11 SP1 | firefox-gcc47 | 4.7.2_20130108-0.37.2 | SUSE-SU-2015:1449-1 |
| SLES 11 SP1 | mozilla-nss | 3.19.2.0-0.7.1 | SUSE-SU-2015:1449-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | MozillaFirefox | 31.8.0esr-37.3 | SUSE-SU-2015:1269-1 |
| SLES for SAP 12 | mozilla-nspr | 4.10.8-3.1 | SUSE-SU-2015:1269-1 |
| SLES for SAP 12 | mozilla-nss | 3.19.2_CKBI_1.98-21.1 | SUSE-SU-2015:1269-1 |
| SLES for SAP 11 SP4 | MozillaFirefox | 31.8.0esr-0.10.1 | SUSE-SU-2015:1268-2, SUSE-SU-2015:1268-1 |
| SLES for SAP 11 SP4 | mozilla-nspr | 4.10.8-0.5.1 | SUSE-SU-2015:1268-2, SUSE-SU-2015:1268-1 |
| SLES for SAP 11 SP4 | mozilla-nss | 3.19.2_CKBI_1.98-0.10.1 | SUSE-SU-2015:1268-2, SUSE-SU-2015:1268-1 |
| SLES for SAP 11 SP3 | MozillaFirefox | 31.8.0esr-0.10.1 | SUSE-SU-2015:1268-2 |
| SLES for SAP 11 SP3 | mozilla-nspr | 4.10.8-0.5.1 | SUSE-SU-2015:1268-2 |
| SLES for SAP 11 SP3 | mozilla-nss | 3.19.2_CKBI_1.98-0.10.1 | SUSE-SU-2015:1268-2 |
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 | 38.1.0-1.0.1.el7_1 | ELSA-2015-1207 |
Advisories 11
- RHSA-2015:1207 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-2656-1 firefox vulnerabilities Ubuntu Security Notices (USN) · May 29, 2026
- DSA-3300-1 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
- SUSE-SU-2015:1268-2 Security update for MozillaFirefox, mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1268-1 Security update for MozillaFirefox, mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1449-1 Security update for MozillaFirefox, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1269-1 Security update for MozillaFirefox, mozilla-nspr, mozilla-nss 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-2015-1207 Critical: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 3, 2015
References
- openSUSE-SU-2015:1229 vendor-advisory
- SUSE-SU-2015:1268 vendor-advisory
- GLSA-201512-10 vendor-advisory
- 75541 vdb-entry
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- RHSA-2015:1207 vendor-advisory
- SUSE-SU-2015:1269 vendor-advisory
- openSUSE-SU-2015:1266 vendor-advisory
- http://www.mozilla.org/security/announce/2015/mfsa2015-69.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1163109
- USN-2656-1 vendor-advisory
- SUSE-SU-2015:1449 vendor-advisory
- 1032783 vdb-entry
- DSA-3300 vendor-advisory
- USN-2656-2 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html