Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | affected |
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| Mozilla | Thunderbird | affected |
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No data.
No data.
| Vendor | Product | Confidence | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | 100% |
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No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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No advisories yet.
Tue, 13 Oct 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-119 |
Tue, 13 Oct 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5. | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. |
| References |
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Tue, 13 Oct 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
|
| Weaknesses | CWE-119 | |
| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 13 Oct 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5. | |
| Title | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component | |
| References |
|
MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-10-13T18:17:03.396Z
Reserved: 2026-10-13T00:29:46.134Z
Link: CVE-2026-109740
Vulnrichment
No data.
NVD
Status : Deferred
Published: 2026-10-13T13:17:24.587
Modified: 2026-10-13T19:18:38.053
Link: CVE-2026-109740
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-10-13T21:00:17Z
No weakness.