CVE-2025-1940

A select option could partially obscure the confirmation prompt shown before launching external apps. This could be used to trick a user in to launching an external app unexpectedly. 
*This issue only affects Android versions of Firefox.* This vulnerability affects Firefox < 136.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
mozillaCNA
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CISA-ADPADP
7.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
VendorProductVersion
mozillafirefox
𝑥
< 136.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
139.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
plucky
not-affected
oracular
not-affected
noble
not-affected
jammy
not-affected
focal
not-affected
thunderbird
plucky
not-affected
oracular
not-affected
noble
not-affected
jammy
not-affected
focal
not-affected
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1908488
https://www.mozilla.org/security/advisories/mfsa2025-14/