CVE-2021-21775

EUVD-2021-8947
A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
talosCNA
6.8 MEDIUM
NETWORK
LOW
LOW
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
Affected Products (NVD)
VendorProductVersion
webkitgtkwebkitgtk
2.30.4
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
webkit2gtk
bookworm
2.44.2-1~deb12u1
fixed
bookworm (security)
2.46.0-2~deb12u1
fixed
bullseye
2.44.2-1~deb11u1
postponed
bullseye (security)
2.44.3-1~deb11u1
fixed
buster
postponed
sid
2.46.3-1
fixed
stretch
ignored
trixie
2.46.2-1
fixed
wpewebkit
bookworm
2.38.6-1
fixed
bullseye
2.38.6-1~deb11u1
postponed
bullseye (security)
2.38.6-1~deb11u1
fixed
buster
postponed
sid
2.46.3-1
fixed
stretch
ignored
trixie
2.46.3-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qtwebkit-opensource-src
bionic
ignored
focal
ignored
groovy
ignored
hirsute
ignored
impish
ignored
jammy
ignored
kinetic
ignored
lunar
ignored
mantic
ignored
noble
ignored
trusty
dne
xenial
ignored
qtwebkit-source
bionic
ignored
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
ignored
webkit2gtk
bionic
Fixed 2.32.3-0ubuntu0.18.04.1
released
focal
Fixed 2.32.3-0ubuntu0.20.04.1
released
groovy
ignored
hirsute
Fixed 2.32.3-0ubuntu0.21.04.1
released
impish
Fixed 2.32.3-1ubuntu1
released
jammy
Fixed 2.32.3-1ubuntu1
released
kinetic
Fixed 2.32.3-1ubuntu1
released
lunar
Fixed 2.32.3-1ubuntu1
released
mantic
Fixed 2.32.3-1ubuntu1
released
noble
Fixed 2.32.3-1ubuntu1
released
trusty
dne
xenial
ignored
webkitgtk
bionic
ignored
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
ignored
wpewebkit
bionic
dne
focal
ignored
groovy
ignored
hirsute
ignored
impish
ignored
jammy
ignored
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2021/07/23/1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
https://www.debian.org/security/2021/dsa-4945
http://www.openwall.com/lists/oss-security/2021/07/23/1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
https://www.debian.org/security/2021/dsa-4945