Integer overflow in the Networking: JAR 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 | Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11. | |
| Title | Integer overflow in the Networking: JAR component | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-05-19T12:29:51.114Z
Reserved: 2026-05-19T12:29:50.365Z
Link: CVE-2026-8956
Vulnrichment
No data.
NVD
Status : Undergoing Analysis
Published: 2026-05-19T14:16:51.943
Modified: 2026-05-19T14:23:47.477
Link: CVE-2026-8956
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.