Description
The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8 and Firefox < 76.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox ESR | unspecified – < 68.8 | 68.8 |
| Mozilla | Firefox | unspecified – < 76 | 76 |
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 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 SP1 | MozillaFirefox | 68.8.0-3.87.1 | SUSE-SU-2020:1209-1 |
| SLES 12 SP5 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES 12 SP4 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES 12 SP3 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES 12 SP2 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES 11 SP4 | MozillaFirefox | 68.8.0-78.73.1 | SUSE-SU-2020:14359-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES for SAP 12 SP3 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES for SAP 12 SP2 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SLES for SAP 12 SP1 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SUSE OpenStack Cloud Crowbar 8 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SUSE OpenStack Cloud 8 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SUSE OpenStack Cloud 7 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SUSE HPE Helion OpenStack 8 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
| SUSE Enterprise Storage 5 | MozillaFirefox | 68.8.0-109.119.1 | SUSE-SU-2020:1218-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 92.0-1.2 | openSUSE-SU-2024:10600-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Leap 15.1 | MozillaFirefox | 68.8.0-lp151.2.45.1 | openSUSE-SU-2020:0621-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | librewolf | 76.0-r0 | — |
| Alpine v3.23 | firefox +1 | 76.0-r0 | — |
| Alpine v3.23 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.22 | firefox +1 | 76.0-r0 | — |
| Alpine v3.22 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.21 | firefox +1 | 76.0-r0 | — |
| Alpine v3.21 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.20 | firefox | 76.0-r0 | — |
| Alpine v3.20 | firefox-esr | 68.8.0-r0 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | firefox | 76.0-r0 | — |
| Alpine v3.19 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.18 | firefox | 76.0-r0 | — |
| Alpine v3.18 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.17 | firefox | 76.0-r0 | — |
| Alpine v3.17 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.16 | firefox | 76.0-r0 | — |
| Alpine v3.16 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.15 | firefox | 76.0-r0 | — |
| Alpine v3.15 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.14 | firefox | 76.0-r0 | — |
| Alpine v3.14 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.13 | firefox | 76.0-r0 | — |
| Alpine v3.13 | firefox-esr | 68.8.0-r0 | — |
| Alpine v3.12 | firefox | 76.0-r0 | — |
| Alpine v3.12 | mozjs68 +1 | 68.8.0-r0 | — |
| Alpine v3.11 | firefox-esr | 68.8.0-r0 | — |
Advisories 6
- SUSE-SU-2020:1209-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1218-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0621-1 Security update for MozillaFirefox 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
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:14359-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026