CVE-2022-38475: Mozilla Firefox

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

An attacker could have written a value to the first element in a zero-length JavaScript array. Although the array was zero-length, the value was not written to an invalid memory address. This vulnerability affects Firefox < 104.

Affected products

• Mozilla Firefox: before 104.0 (fixed in 104.0)

Published 2022-12-22. Last modified 2026-06-17.