CVE-2025-5020

Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client This vulnerability affects Firefox for iOS < 139.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
mozillaCNA
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CISA-ADPADP
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
plucky
not-affected
oracular
not-affected
noble
not-affected
jammy
not-affected
focal
needed
mozjs102
plucky
dne
oracular
dne
noble
ignored
jammy
ignored
focal
dne
mozjs115
plucky
ignored
oracular
ignored
noble
ignored
jammy
dne
focal
dne
mozjs38
plucky
dne
oracular
dne
noble
dne
jammy
dne
focal
dne
bionic
needs-triage
mozjs52
plucky
dne
oracular
dne
noble
dne
jammy
dne
focal
ignored
bionic
ignored
mozjs68
plucky
dne
oracular
dne
noble
dne
jammy
dne
focal
ignored
mozjs78
plucky
dne
oracular
dne
noble
dne
jammy
ignored
focal
dne
mozjs91
plucky
dne
oracular
dne
noble
dne
jammy
ignored
focal
dne
thunderbird
plucky
not-affected
oracular
not-affected
noble
not-affected
jammy
needed
focal
needed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1951558
https://www.mozilla.org/security/advisories/mfsa2025-39/