Description
By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. The attacker is restricted as they are unable to download non-quarantined files or supply command line arguments to the application, limiting the impact. Note: this issue only occurs on Mac OSX. Other operating systems are unaffected. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Thunderbird | unspecified – < 68.5 | 68.5 |
| Mozilla | Firefox | unspecified – < 73, unspecified – < ESR68.5 | 73 |
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.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | MozillaFirefox | 68.5.0-3.72.1 | SUSE-SU-2020:0383-1 |
| SLES 15 SP1 | MozillaThunderbird | 68.5.0-3.71.1 | SUSE-SU-2020:0385-1 |
| SLES 15 | MozillaFirefox | 68.5.0-3.72.1 | SUSE-SU-2020:0383-1 |
| SLES 12 SP5 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES 12 SP4 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES 12 SP3 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES 12 SP1 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES 11 SP4 | MozillaFirefox | 68.5.0-78.61.2 | SUSE-SU-2020:14290-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES for SAP 12 SP3 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES for SAP 12 SP2 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SLES for SAP 12 SP1 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SUSE OpenStack Cloud Crowbar 8 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SUSE OpenStack Cloud 8 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SUSE OpenStack Cloud 7 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SUSE HPE Helion OpenStack 8 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
| SUSE Enterprise Storage 5 | MozillaFirefox | 68.5.0-109.106.1 | SUSE-SU-2020:0384-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 92.0-1.2 | openSUSE-SU-2024:10600-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 91.1.1-1.1 | openSUSE-SU-2024:10601-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Leap 15.1 | MozillaFirefox | 68.5.0-lp151.2.30.1 | openSUSE-SU-2020:0230-1 |
| openSUSE Leap 15.1 | MozillaThunderbird | 68.5.0-lp151.2.25.1 | openSUSE-SU-2020:0231-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.23 | firefox-esr +1 | 68.5.0-r0 | — |
| Alpine v3.22 | firefox-esr +1 | 68.5.0-r0 | — |
| Alpine v3.21 | firefox-esr +1 | 68.5.0-r0 | — |
| Alpine v3.20 | firefox-esr +1 | 68.5.0-r0 | — |
| Alpine v3.19 | firefox-esr +1 | 68.5.0-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.18 | firefox-esr +1 | 68.5.0-r0 | — |
| Alpine v3.17 | firefox-esr +1 | 68.5.0-r0 | — |
| Alpine v3.16 | firefox-esr +1 | 68.5.0-r0 | — |
| Alpine v3.15 | firefox-esr | 68.5.0-r0 | — |
| Alpine v3.14 | firefox-esr | 68.5.0-r0 | — |
| Alpine v3.13 | firefox-esr | 68.5.0-r0 | — |
| Alpine v3.12 | firefox-esr | 68.5.0-r0 | — |
| Alpine v3.11 | firefox-esr | 68.5.0-r0 | — |
Advisories 9
- SUSE-SU-2020:0383-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0231-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10600-1 MozillaFirefox-92.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0385-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0384-1 Security update for MozillaFirefox 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-2020:0230-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10601-1 MozillaThunderbird-91.1.1-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2020:14290-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · May 2, 2025