Description
Race condition in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
Scores
CVSS v3
4.2
EPSS
0.0003
EPSS Percentile
8.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-362
Status
published
Products (4)
mozilla/firefox
< 148.0
Mozilla/Firefox
148
mozilla/thunderbird
< 148.0
Mozilla/Thunderbird
148
Published
Feb 24, 2026
Tracked Since
Feb 24, 2026