Description
An attacker could have leveraged the Windows Error Reporter to run arbitrary code on the system escaping the sandbox. *Note:* This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | unspecified – < 124 | 124 |
| Mozilla | Firefox ESR | unspecified – < 115.9 | 115.9 |
| Mozilla | Thunderbird | unspecified – < 115.9 | 115.9 |
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 24.04 LTS | mozjs102 | No fix yet | — |
| Ubuntu 22.04 LTS | mozjs78 +2 | 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 SP5 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLES 15 SP5 | MozillaThunderbird | 115.9.0-150200.8.154.1 | SUSE-SU-2024:1147-1 |
| SLES 15 SP4 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLES 15 SP3 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLES 15 SP2 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLES 12 SP5 | MozillaFirefox | 115.9.0-112.203.2 | SUSE-SU-2024:0971-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLES for SAP 15 SP3 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLES for SAP 15 SP2 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 115.9.0-112.203.2 | SUSE-SU-2024:0971-1 |
| SLE HPC 15 SP4 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLE HPC 15 SP3 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SLE HPC 15 SP2 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| SUSE Enterprise Storage 7.1 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 124.0.1-1.1 | openSUSE-SU-2024:13795-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 115.9.0-1.1 | openSUSE-SU-2024:13789-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Leap 15.5 | MozillaFirefox | 115.9.1-150200.152.131.1 | SUSE-SU-2024:1002-1 |
| openSUSE Leap 15.5 | MozillaThunderbird | 115.9.0-150200.8.154.1 | SUSE-SU-2024:1147-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | firefox-esr | 115.9.0-r0 | — |
| Alpine v3.18 | firefox-esr | 115.9.0-r0 | — |
Advisories 8
- SUSE-SU-2024:0971-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13795-1 MozillaFirefox-124.0.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13789-1 MozillaThunderbird-115.9.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1002-1 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
- SUSE-SU-2024:1147-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0669 Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 15, 2024
- WID-SEC-2024-1248 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2024