CVE-2020-12422

—

CVSS 3.1

8.8 high

EPSS

2%p79

Published

Jul 9, 2020 (Jul 9, 2020)

Modified

Jun 17, 2026

Description

In non-standard configurations, a JPEG image created by JavaScript could have caused an internal variable to overflow, resulting in an out of bounds write, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.

Vendors: mozilla opensuse
Products: firefox, leap
Weakness: CWE-787
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 (1.9%)

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