Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Metrics
Affected Vendors & Products
References
History
Wed, 19 Aug 2026 01:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla thunderbird
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| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
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| Vendors & Products |
Mozilla thunderbird
|
Tue, 18 Aug 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
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Tue, 18 Aug 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1. | Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. |
| References |
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Tue, 18 Aug 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
|
| Weaknesses | CWE-416 | |
| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 18 Aug 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1. | |
| Title | Use-after-free in the JavaScript: GC component | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-08-18T19:21:21.914Z
Reserved: 2026-08-17T11:57:31.254Z
Link: CVE-2026-74937
Updated: 2026-08-18T19:18:55.317Z
Status : Analyzed
Published: 2026-08-18T13:17:29.950
Modified: 2026-08-19T00:58:37.713
Link: CVE-2026-74937
No data.
OpenCVE Enrichment
Updated: 2026-08-18T22:15:04Z