Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
Metrics
Affected Vendors & Products
References
History
Wed, 02 Sep 2026 10:45:00 +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:thunderbird:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Mozilla thunderbird
|
Tue, 01 Sep 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, and Firefox ESR 153.2. | Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2. |
| References |
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| Metrics |
cvssV3_1
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Tue, 01 Sep 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 |
Tue, 01 Sep 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
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| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 01 Sep 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, and Firefox ESR 153.2. | |
| Title | Use-after-free in the Audio/Video component | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published: 2026-09-01T12:18:49.637Z
Updated: 2026-09-01T21:44:10.383Z
Reserved: 2026-09-01T07:25:13.250Z
Link: CVE-2026-84122
Updated: 2026-09-01T15:10:36.559Z
Status : Analyzed
Published: 2026-09-01T13:20:06.040
Modified: 2026-09-02T15:01:11.113
Link: CVE-2026-84122
No data.