CVE-2019-11756

Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited to a denial of service). This vulnerability affects Firefox < 71.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 71.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
bionic
Fixed 71.0+build5-0ubuntu0.18.04.1
released
disco
Fixed 71.0+build5-0ubuntu0.19.04.1
released
eoan
Fixed 71.0+build5-0ubuntu0.19.10.1
released
focal
Fixed 71.0+build5-0ubuntu1
released
groovy
Fixed 71.0+build5-0ubuntu1
released
hirsute
Fixed 71.0+build5-0ubuntu1
released
impish
Fixed 71.0+build5-0ubuntu1
released
jammy
Fixed 71.0+build5-0ubuntu1
released
kinetic
Fixed 71.0+build5-0ubuntu1
released
lunar
Fixed 71.0+build5-0ubuntu1
released
mantic
Fixed 71.0+build5-0ubuntu1
released
noble
Fixed 71.0+build5-0ubuntu1
released
trusty
dne
xenial
Fixed 71.0+build5-0ubuntu0.16.04.1
released
mozjs38
bionic
ignored
disco
dne
eoan
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs52
bionic
ignored
disco
ignored
eoan
ignored
focal
ignored
groovy
ignored
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs60
bionic
dne
disco
ignored
eoan
ignored
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
nspr
RHEL 7
0:4.25.0-2.el7_9
fixed
RHEL 8
0:4.25.0-2.el8_2
fixed
RHEL 8.2 AUS
0:4.25.0-2.el8_2
fixed
RHEL 8.2 E4S
0:4.25.0-2.el8_2
fixed
RHEL 8.2 EUS
0:4.25.0-2.el8_2
fixed
RHEL 8.2 TUS
0:4.25.0-2.el8_2
fixed
nspr-devel
RHEL 7
0:4.25.0-2.el7_9
fixed
RHEL 8
0:4.25.0-2.el8_2
fixed
RHEL 8.2 AUS
0:4.25.0-2.el8_2
fixed
RHEL 8.2 E4S
0:4.25.0-2.el8_2
fixed
RHEL 8.2 EUS
0:4.25.0-2.el8_2
fixed
RHEL 8.2 TUS
0:4.25.0-2.el8_2
fixed
nss
RHEL 7
0:3.53.1-3.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-devel
RHEL 7
0:3.53.1-3.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-pkcs11-devel
RHEL 7
0:3.53.1-3.el7_9
fixed
nss-softokn
RHEL 7
0:3.53.1-6.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-softokn-devel
RHEL 7
0:3.53.1-6.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-softokn-freebl
RHEL 7
0:3.53.1-6.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-softokn-freebl-devel
RHEL 7
0:3.53.1-6.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-sysinit
RHEL 7
0:3.53.1-3.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-tools
RHEL 7
0:3.53.1-3.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-util
RHEL 7
0:3.53.1-1.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
nss-util-devel
RHEL 7
0:3.53.1-1.el7_9
fixed
RHEL 8
0:3.53.1-11.el8_2
fixed
RHEL 8.2 AUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 E4S
0:3.53.1-11.el8_2
fixed
RHEL 8.2 EUS
0:3.53.1-11.el8_2
fixed
RHEL 8.2 TUS
0:3.53.1-11.el8_2
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1508776
https://www.mozilla.org/security/advisories/mfsa2019-36/
https://bugzilla.mozilla.org/show_bug.cgi?id=1508776
https://www.mozilla.org/security/advisories/mfsa2019-36/