CVE-2022-40957

MEDIUM

Firefox <105 - Memory Corruption

Title source: llm
STIX 2.1

Description

Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.<br>*This bug only affects Firefox on ARM64 platforms.*. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Scores

CVSS v3 6.5
EPSS 0.0018
EPSS Percentile 39.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-240
Status published
Products (3)
mozilla/firefox < 105.0
mozilla/firefox_esr < 102.3
mozilla/thunderbird < 102.3
Published Dec 22, 2022
Tracked Since Feb 18, 2026