Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.
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, 19 May 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11. | |
| Title | Information disclosure, sandbox escape in the Security: Process Sandboxing component | |
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-05-19T12:29:54.014Z
Reserved: 2026-05-19T12:29:53.304Z
Link: CVE-2026-8958
Vulnrichment
No data.
NVD
Status : Undergoing Analysis
Published: 2026-05-19T14:16:52.170
Modified: 2026-05-19T14:23:47.477
Link: CVE-2026-8958
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.