CVE-2026-12318

EUVD-2026-37109
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 152.0.0
mozillathunderbird
𝑥
< 152.0.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
153.0-1
fixed
nss
bookworm
vulnerable
bookworm (security)
2:3.87.1-1+deb12u3
fixed
bullseye
vulnerable
bullseye (security)
2:3.61-1+deb11u6
fixed
forky
2:3.126-1
fixed
sid
2:3.126-1
fixed
trixie
2:3.110-1+deb13u3
fixed
trixie (security)
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
thunderbird
jammy
needed
noble
not-affected
questing
not-affected
resolute
not-affected
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
mozjs102
jammy
ignored
noble
ignored
questing
dne
resolute
dne
mozjs115
jammy
dne
noble
ignored
questing
dne
resolute
dne
nss
bionic
needs-triage
focal
needs-triage
jammy
Fixed 2:3.98-0ubuntu0.22.04.4
released
noble
Fixed 2:3.98-1ubuntu0.2
released
questing
Fixed 2:3.114-1ubuntu0.2
released
resolute
Fixed 2:3.120-1ubuntu2.1
released
trusty
needs-triage
xenial
needs-triage