CVE-2019-11691

A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mozillaCNA
---
---
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 65%
VendorProductVersion
mozillafirefox
𝑥
< 67.0
mozillafirefox_esr
𝑥
< 60.7
mozillathunderbird
𝑥
< 60.7
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 67.0+build2-0ubuntu1
released
mantic
Fixed 67.0+build2-0ubuntu1
released
lunar
Fixed 67.0+build2-0ubuntu1
released
kinetic
Fixed 67.0+build2-0ubuntu1
released
jammy
Fixed 67.0+build2-0ubuntu1
released
impish
Fixed 67.0+build2-0ubuntu1
released
hirsute
Fixed 67.0+build2-0ubuntu1
released
groovy
Fixed 67.0+build2-0ubuntu1
released
focal
Fixed 67.0+build2-0ubuntu1
released
eoan
Fixed 67.0+build2-0ubuntu1
released
disco
Fixed 67.0+build2-0ubuntu0.19.04.1
released
cosmic
Fixed 67.0+build2-0ubuntu0.18.10.1
released
bionic
Fixed 67.0+build2-0ubuntu0.18.04.1
released
xenial
Fixed 67.0+build2-0ubuntu0.16.04.1
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
cosmic
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
cosmic
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
cosmic
ignored
bionic
dne
xenial
dne
trusty
dne
thunderbird
noble
Fixed 1:60.7.0+build1-0ubuntu3
released
mantic
Fixed 1:60.7.0+build1-0ubuntu3
released
lunar
Fixed 1:60.7.0+build1-0ubuntu3
released
kinetic
Fixed 1:60.7.0+build1-0ubuntu3
released
jammy
Fixed 1:60.7.0+build1-0ubuntu3
released
impish
Fixed 1:60.7.0+build1-0ubuntu3
released
hirsute
Fixed 1:60.7.0+build1-0ubuntu3
released
groovy
Fixed 1:60.7.0+build1-0ubuntu3
released
focal
Fixed 1:60.7.0+build1-0ubuntu3
released
eoan
Fixed 1:60.7.0+build1-0ubuntu3
released
disco
Fixed 1:60.7.0+build1-0ubuntu0.19.04.1
released
cosmic
Fixed 1:60.7.0+build1-0ubuntu0.18.10.1
released
bionic
Fixed 1:60.7.0+build1-0ubuntu0.18.04.1
released
xenial
Fixed 1:60.7.0+build1-0ubuntu0.16.04.1
released
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1542465
https://www.mozilla.org/security/advisories/mfsa2019-13/
https://www.mozilla.org/security/advisories/mfsa2019-14/
https://www.mozilla.org/security/advisories/mfsa2019-15/
https://bugzilla.mozilla.org/show_bug.cgi?id=1542465
https://www.mozilla.org/security/advisories/mfsa2019-13/
https://www.mozilla.org/security/advisories/mfsa2019-14/
https://www.mozilla.org/security/advisories/mfsa2019-15/