CVE-2020-12399

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.4 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
mozillaCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
VendorProductVersion
mozillafirefox
𝑥
< 77.0
mozillafirefox_esr
𝑥
< 68.9.0
mozillathunderbird
𝑥
< 68.9.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
firefox-esr
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
128.4.0esr-1~deb11u1
fixed
bookworm
115.14.0esr-1~deb12u1
fixed
bookworm (security)
128.4.0esr-1~deb12u1
fixed
trixie
128.3.1esr-2
fixed
sid
128.4.0esr-1
fixed
nss
bullseye
2:3.61-1+deb11u3
fixed
bullseye (security)
2:3.61-1+deb11u4
fixed
bookworm
2:3.87.1-1
fixed
sid
2:3.105-2
fixed
trixie
2:3.105-2
fixed
thunderbird
bullseye
1:115.12.0-1~deb11u1
fixed
bullseye (security)
1:128.4.0esr-1~deb11u1
fixed
bookworm
1:115.12.0-1~deb12u1
fixed
bookworm (security)
1:128.4.0esr-1~deb12u1
fixed
sid
1:128.4.0esr-1
fixed
trixie
1:128.4.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
focal
Fixed 77.0.1+build1-0ubuntu0.20.04.1
released
eoan
Fixed 77.0.1+build1-0ubuntu0.19.10.1
released
bionic
Fixed 77.0.1+build1-0ubuntu0.18.04.1
released
xenial
Fixed 77.0.1+build1-0ubuntu0.16.04.1
released
trusty
dne
nss
focal
Fixed 2:3.49.1-1ubuntu1.1
released
eoan
Fixed 2:3.45-1ubuntu2.3
released
bionic
Fixed 2:3.35-2ubuntu2.8
released
xenial
Fixed 2:3.28.4-0ubuntu0.16.04.11
released
trusty
Fixed 2:3.28.4-0ubuntu0.14.04.5+esm5
released
thunderbird
focal
Fixed 1:68.10.0+build1-0ubuntu0.20.04.1
released
eoan
Fixed 1:68.10.0+build1-0ubuntu0.19.10.1
released
bionic
Fixed 1:68.10.0+build1-0ubuntu0.18.04.1
released
xenial
Fixed 1:68.10.0+build1-0ubuntu0.16.04.1
released
trusty
dne