Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 148.
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 |
|
No data.
No data.
No data.
Project Subscriptions
No data.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 24 Feb 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 148. | |
| Title | Memory safety bugs fixed in Firefox 148 and Thunderbird 148 | |
| References |
|
Projects
Sign in to view the affected projects.
MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-02-24T13:33:34.035Z
Reserved: 2026-02-19T15:07:07.640Z
Link: CVE-2026-2807
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-02-24T14:16:29.220
Modified: 2026-02-24T14:16:29.220
Link: CVE-2026-2807
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.