Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9.
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 | Firefox ESR | 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, 24 Mar 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9. | |
| Title | Use-after-free in the Widget: Cocoa component | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-03-24T12:30:36.392Z
Reserved: 2026-03-23T23:22:23.818Z
Link: CVE-2026-4711
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-03-24T13:16:07.010
Modified: 2026-03-24T13:16:07.010
Link: CVE-2026-4711
Redhat
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OpenCVE Enrichment
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Weaknesses
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