CVE-2025-8043

Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability affects Firefox < 141 and Thunderbird < 141.
UI
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mozillaCNA
---
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
mozillafirefox
𝑥
< 141.0
mozillathunderbird
𝑥
< 141.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
142.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mozjs38
plucky
dne
noble
dne
jammy
dne
bionic
needs-triage
firefox
plucky
not-affected
noble
not-affected
jammy
not-affected
thunderbird
plucky
not-affected
noble
not-affected
jammy
not-affected
mozjs52
plucky
dne
noble
dne
jammy
dne
focal
ignored
bionic
ignored
mozjs68
plucky
dne
noble
dne
jammy
dne
focal
ignored
mozjs78
plucky
dne
noble
dne
jammy
ignored
mozjs91
plucky
dne
noble
dne
jammy
ignored
mozjs102
plucky
dne
noble
ignored
jammy
ignored
mozjs115
plucky
ignored
noble
ignored
jammy
dne