Description
Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.
References (7)
Scores
CVSS v3
9.8
EPSS
0.0005
EPSS Percentile
15.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-190
Status
published
Products (13)
mozilla/firefox
< 140.8.0
mozilla/firefox
< 148.0
Mozilla/Firefox
115.35 - 115.*
Mozilla/Firefox
140.8 - 140.*
Mozilla/Firefox
148
Mozilla/Firefox
unspecified - 148
Mozilla/Firefox ESR
unspecified - 140.8
mozilla/thunderbird
< 140.8.0
mozilla/thunderbird
< 148.0
Mozilla/Thunderbird
140.8 - 140.*
... and 3 more
Published
Feb 24, 2026
Tracked Since
Feb 24, 2026