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CVE-2026-84120

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CVSS 3.1
5.4 medium
EPSS
<1%p12
Published
()
Modified
Description

Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-416
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

No ingested article mentions this CVE yet.