Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148 and Firefox ESR < 140.8.
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 Feb 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148 and Firefox ESR < 140.8. | |
| Title | Use-after-free in the JavaScript Engine component | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-02-24T13:33:03.943Z
Reserved: 2026-02-19T15:05:35.131Z
Link: CVE-2026-2765
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-02-24T14:16:24.860
Modified: 2026-02-24T14:16:24.860
Link: CVE-2026-2765
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.