Description
A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | unspecified – < 97 | 97 |
| Mozilla | Thunderbird | unspecified – < 91.6 | 91.6 |
| Mozilla | Firefox ESR | unspecified – < 91.6 | 91.6 |
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 SP3 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SLES 15 SP3 | MozillaThunderbird | 91.6.1-8.54.1 | SUSE-SU-2022:0559-1 |
| SLES 15 SP2 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SLES 15 SP1 | MozillaFirefox | 91.6.0-150.18.1 | SUSE-SU-2022:0676-1 |
| SLES 15 | MozillaFirefox | 91.6.0-150.18.1 | SUSE-SU-2022:0676-1 |
| SLES 12 SP5 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
Show 24 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SLES 12 SP3 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SLES 12 SP2 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SLES 11 SP4 | MozillaFirefox | 91.6.0-78.162.2 | SUSE-SU-2022:14896-1 |
| SLES for SAP 15 SP2 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SLES for SAP 15 SP1 | MozillaFirefox | 91.6.0-150.18.1 | SUSE-SU-2022:0676-1 |
| SLES for SAP 15 | MozillaFirefox | 91.6.0-150.18.1 | SUSE-SU-2022:0676-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SLES for SAP 12 SP3 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SLE Real Time 15 SP2 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SLE HPC 15 SP2 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SLE HPC 15 SP1 | MozillaFirefox | 91.6.0-150.18.1 | SUSE-SU-2022:0676-1 |
| SLE HPC 15 | MozillaFirefox | 91.6.0-150.18.1 | SUSE-SU-2022:0676-1 |
| SUSE OpenStack Cloud Crowbar 9 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SUSE OpenStack Cloud Crowbar 8 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SUSE OpenStack Cloud 9 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SUSE OpenStack Cloud 8 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SUSE Manager Server 4.1 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SUSE Manager Retail Branch Server 4.1 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SUSE Manager Proxy 4.1 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SUSE HPE Helion OpenStack 8 | MozillaFirefox | 91.6.0-112.89.1 | SUSE-SU-2022:0565-1 |
| SUSE Enterprise Storage 7 | MozillaFirefox | 91.6.0-152.15.1 | SUSE-SU-2022:0696-1 |
| SUSE Enterprise Storage 6 | MozillaFirefox | 91.6.0-150.18.1 | SUSE-SU-2022:0676-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 97.0-1.1 | openSUSE-SU-2024:11837-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 91.6.0-1.1 | openSUSE-SU-2024:11842-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Leap 15.3 | MozillaThunderbird | 91.6.1-8.54.1 | openSUSE-SU-2022:0559-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | librewolf | 97.0-r0 | — |
| Alpine v3.23 | firefox +1 | 97.0-r0 | — |
| Alpine v3.23 | thunderbird | 91.6.0-r0 | — |
| Alpine v3.22 | firefox +1 | 97.0-r0 | — |
| Alpine v3.22 | thunderbird | 91.6.0-r0 | — |
| Alpine v3.21 | firefox +1 | 97.0-r0 | — |
| Alpine v3.21 | thunderbird | 91.6.0-r0 | — |
| Alpine v3.20 | firefox | 97.0-r0 | — |
| Alpine v3.20 | thunderbird | 91.6.0-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | firefox | 97.0-r0 | — |
| Alpine v3.19 | thunderbird | 91.6.0-r0 | — |
| Alpine v3.18 | firefox | 97.0-r0 | — |
| Alpine v3.18 | thunderbird | 91.6.0-r0 | — |
| Alpine v3.17 | firefox | 97.0-r0 | — |
| Alpine v3.17 | thunderbird | 91.6.0-r0 | — |
| Alpine v3.16 | firefox | 97.0-r0 | — |
| Alpine v3.16 | thunderbird | 91.6.0-r0 | — |
Advisories 12
- WID-SEC-2022-0432 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 11, 2026
- WID-SEC-2022-0302 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten BSI CERT-Bund (WID) · Oct 11, 2026
- SUSE-SU-2022:14896-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0559-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0676-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0696-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0565-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11837-1 MozillaFirefox-97.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0559-1 Security update for MozillaThunderbird 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-2024:11842-1 MozillaThunderbird-91.6.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- WID-SEC-2023-0838 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 3, 2023