CVE-2019-17026

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.
Type Confusion
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
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
mozillaCNA
---
---
CVEADP
---
---
CISA-ADPADP
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: 97%
VendorProductVersion
mozillafirefox
𝑥
< 68.4.1
mozillafirefox
𝑥
< 72.0.1
mozillathunderbird
𝑥
< 68.4.1
canonicalubuntu_linux
16.04
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
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
noble
Fixed 72.0.1+build1-0ubuntu1
released
mantic
Fixed 72.0.1+build1-0ubuntu1
released
lunar
Fixed 72.0.1+build1-0ubuntu1
released
kinetic
Fixed 72.0.1+build1-0ubuntu1
released
jammy
Fixed 72.0.1+build1-0ubuntu1
released
impish
Fixed 72.0.1+build1-0ubuntu1
released
hirsute
Fixed 72.0.1+build1-0ubuntu1
released
groovy
Fixed 72.0.1+build1-0ubuntu1
released
focal
Fixed 72.0.1+build1-0ubuntu1
released
eoan
Fixed 72.0.1+build1-0ubuntu0.19.10.1
released
disco
Fixed 72.0.1+build1-0ubuntu0.19.04.1
released
bionic
Fixed 72.0.1+build1-0ubuntu0.18.04.1
released
xenial
Fixed 72.0.1+build1-0ubuntu0.16.04.1
released
trusty
dne
mozjs38
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
bionic
ignored
xenial
dne
trusty
dne
mozjs52
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
ignored
focal
ignored
eoan
ignored
disco
ignored
bionic
ignored
xenial
dne
trusty
dne
mozjs60
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
ignored
disco
ignored
bionic
dne
xenial
dne
trusty
dne
thunderbird
noble
Fixed 1:68.4.1+build1-0ubuntu1
released
mantic
Fixed 1:68.4.1+build1-0ubuntu1
released
lunar
Fixed 1:68.4.1+build1-0ubuntu1
released
kinetic
Fixed 1:68.4.1+build1-0ubuntu1
released
jammy
Fixed 1:68.4.1+build1-0ubuntu1
released
impish
Fixed 1:68.4.1+build1-0ubuntu1
released
hirsute
Fixed 1:68.4.1+build1-0ubuntu1
released
groovy
Fixed 1:68.4.1+build1-0ubuntu1
released
focal
Fixed 1:68.4.1+build1-0ubuntu1
released
eoan
Fixed 1:68.4.1+build1-0ubuntu0.19.10.1
released
disco
ignored
bionic
Fixed 1:68.4.1+build1-0ubuntu0.18.04.1
released
xenial
Fixed 1:68.7.0+build1-0ubuntu0.16.04.2
released
trusty
dne