Description
By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
References (6)
Scores
CVSS v3
4.3
EPSS
0.0372
EPSS Percentile
88.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-203
Status
published
Products (4)
debian/debian_linux
10.0
mozilla/firefox
< 127.0
mozilla/firefox_esr
< 115.12
mozilla/thunderbird
< 115.12
Published
Jun 11, 2024
Tracked Since
Feb 18, 2026