CVE-2019-9818

HIGH

Thunderbird <60.7-Firefox <67-Firefox ESR <60.7 - Use After Free

Title source: llm
STIX 2.1

Description

A race condition is present in the crash generation server used to generate data for the crash reporter. This issue can lead to a use-after-free in the main process, resulting in a potentially exploitable crash and a sandbox escape. *Note: this vulnerability only affects Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

References (4)

Core 4
Core References
Issue Tracking, Permissions Required x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1542581

Scores

CVSS v3 8.3
EPSS 0.0034
EPSS Percentile 56.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Details

CWE
CWE-362 CWE-416
Status published
Products (3)
mozilla/firefox < 67.0
mozilla/firefox_esr < 60.7
mozilla/thunderbird < 60.7
Published Jul 23, 2019
Tracked Since Feb 18, 2026