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CVE-2021-29981

—
CVSS 3.1
8.8 high
EPSS
1%p61
Published
()
Modified
Description

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Vendors
mozilla
Products
firefox, thunderbird
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (1.0%)

In the news

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