CVE-2022-31741

HIGH

Firefox < 101 and Firefox ESR < 91.10 - Use of Uninitialized Resource via Crafted CMS Message

Title source: llm
STIX 2.1

Description

A crafted CMS message could have been processed incorrectly, leading to an invalid memory read, and potentially further memory corruption. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

Scores

CVSS v3 8.8
EPSS 0.0031
EPSS Percentile 54.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-908
Status published
Products (3)
mozilla/firefox < 101
mozilla/firefox_esr < 91.10
mozilla/thunderbird < 91.10
Published Dec 22, 2022
Tracked Since Feb 18, 2026