Sandbox escape due to use-after-free in the Preferences: Backend component. This vulnerability was fixed in Firefox 157.
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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Project Subscriptions
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Advisories
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Fixes
Solution
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Workaround
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References
History
Tue, 29 Sep 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Sandbox escape due to use-after-free in the Preferences: Backend component. This vulnerability was fixed in Firefox 157. | |
| Title | Sandbox escape due to use-after-free in the Preferences: Backend component | |
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-09-29T12:36:20.719Z
Reserved: 2026-09-26T19:17:53.460Z
Link: CVE-2026-100804
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-29T13:17:45.493
Modified: 2026-09-29T13:17:45.493
Link: CVE-2026-100804
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.