Description
The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | unspecified – < 94 | 94 |
| Mozilla | Thunderbird | unspecified – < 91.3 | 91.3 |
| Mozilla | Firefox ESR | unspecified – < 91.3 | 91.3 |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | mozjs78 | No fix yet | — |
| Ubuntu 20.04 LTS | mozjs52 +1 | No fix yet | — |
| Ubuntu 18.04 LTS | mozjs38 +1 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | MozillaFirefox | 91.3.0-152.6.1 | SUSE-SU-2021:3745-1 |
| SLES 15 SP3 | MozillaThunderbird | 91.4.0-8.45.2 | SUSE-SU-2021:4150-1 |
| SLES 15 SP2 | MozillaFirefox | 91.3.0-152.6.1 | SUSE-SU-2021:3745-1 |
| SLES 15 SP2 | MozillaThunderbird | 91.4.0-8.45.2 | SUSE-SU-2021:4150-1 |
| SLES 15 SP1 | MozillaFirefox | 91.3.0-150.6.1 | SUSE-SU-2021:3651-1 |
| SLES 15 | MozillaFirefox | 91.3.0-150.6.1 | SUSE-SU-2021:3651-1 |
| SLES 12 SP5 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SLES 12 SP3 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SLES 12 SP2 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SLES for SAP 15 SP1 | MozillaFirefox | 91.3.0-150.6.1 | SUSE-SU-2021:3651-1 |
| SLES for SAP 15 | MozillaFirefox | 91.3.0-150.6.1 | SUSE-SU-2021:3651-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SLES for SAP 12 SP3 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SLE HPC 15 SP1 | MozillaFirefox | 91.3.0-150.6.1 | SUSE-SU-2021:3651-1 |
| SLE HPC 15 | MozillaFirefox | 91.3.0-150.6.1 | SUSE-SU-2021:3651-1 |
| SUSE OpenStack Cloud Crowbar 9 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SUSE OpenStack Cloud Crowbar 8 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SUSE OpenStack Cloud 9 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SUSE OpenStack Cloud 8 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SUSE HPE Helion OpenStack 8 | MozillaFirefox | 91.3.0-112.80.2 | SUSE-SU-2021:3721-1 |
| SUSE Enterprise Storage 6 | MozillaFirefox | 91.3.0-150.6.1 | SUSE-SU-2021:3651-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 94.0.1-1.1 | openSUSE-SU-2024:11614-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 91.3.0-1.1 | openSUSE-SU-2024:11607-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Leap 15.3 | MozillaFirefox | 91.3.0-152.6.1 | openSUSE-SU-2021:3745-1 |
| openSUSE Leap 15.3 | MozillaThunderbird | 91.4.0-8.45.2 | openSUSE-SU-2021:4150-1 |
| openSUSE Leap 15.2 | MozillaThunderbird | 91.4.0-lp152.2.52.1 | openSUSE-SU-2021:1635-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | librewolf | 94.0-r0 | — |
| Alpine v3.23 | firefox +1 | 94.0-r0 | — |
| Alpine v3.23 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.23 | thunderbird | 91.3.2-r0 | — |
| Alpine v3.22 | firefox +1 | 94.0-r0 | — |
| Alpine v3.22 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.22 | thunderbird | 91.3.2-r0 | — |
| Alpine v3.21 | firefox +1 | 94.0-r0 | — |
| Alpine v3.21 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.21 | thunderbird | 91.3.2-r0 | — |
| Alpine v3.20 | firefox | 94.0-r0 | — |
| Alpine v3.20 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.20 | thunderbird | 91.3.2-r0 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | firefox | 94.0-r0 | — |
| Alpine v3.19 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.19 | thunderbird | 91.3.2-r0 | — |
| Alpine v3.18 | firefox | 94.0-r0 | — |
| Alpine v3.18 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.18 | thunderbird | 91.3.2-r0 | — |
| Alpine v3.17 | firefox | 94.0-r0 | — |
| Alpine v3.17 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.17 | thunderbird | 91.3.2-r0 | — |
| Alpine v3.16 | firefox | 94.0-r0 | — |
| Alpine v3.16 | firefox-esr | 91.3.0-r0 | — |
| Alpine v3.16 | thunderbird | 91.3.2-r0 | — |
| Alpine v3.15 | firefox | 94.0-r0 | — |
| Alpine v3.15 | firefox-esr | 91.3.0-r0 | — |
Advisories 11
- SUSE-SU-2021:4150-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3651-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:4150-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11607-1 MozillaThunderbird-91.3.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1635-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3721-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3745-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3745-1 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
- WID-SEC-2023-0839 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 6, 2025
- openSUSE-SU-2024:11614-1 MozillaFirefox-94.0.1-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025