CVE-2026-2794

EUVD-2026-8447
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 17.04%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 148.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
154.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
mozjs102
jammy
ignored
noble
ignored
questing
dne
resolute
dne
mozjs115
jammy
dne
noble
ignored
questing
dne
resolute
dne
mozjs38
bionic
needs-triage
jammy
dne
noble
dne
questing
dne
resolute
dne
mozjs52
bionic
ignored
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
mozjs68
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
mozjs78
jammy
ignored
noble
dne
questing
dne
resolute
dne
mozjs91
jammy
ignored
noble
dne
questing
dne
resolute
dne
thunderbird
jammy
needed
noble
not-affected
questing
not-affected
resolute
not-affected
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2008365
https://www.mozilla.org/security/advisories/mfsa2026-13/
https://access.redhat.com/security/cve/CVE-2026-2794
https://bugzilla.redhat.com/show_bug.cgi?id=2442286
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2794.json