CVE-2022-45421

HIGH

Firefox < 107.0 and Firefox ESR < 102.5 - Out-of-bounds Write

Title source: llm
STIX 2.1

Description

Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

References (4)

Core 4

Scores

CVSS v3 8.8
EPSS 0.0026
EPSS Percentile 49.6%
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 none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (3)
mozilla/firefox < 107.0
mozilla/firefox_esr < 102.5
mozilla/thunderbird < 102.5
Published Dec 22, 2022
Tracked Since Feb 18, 2026