6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
0.01 Low
EPSS
Percentile
83.3%
Issue Overview:
A flaw was found in webkitgtk. This flaw could allow an attacker to use maliciously crafted web content leading to arbitrary code execution. (CVE-2021-30858)
Affected Packages:
webkitgtk4
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update webkitgtk4 to update your system.
New Packages:
aarch64:
webkitgtk4-2.28.2-3.amzn2.0.1.aarch64
webkitgtk4-devel-2.28.2-3.amzn2.0.1.aarch64
webkitgtk4-jsc-2.28.2-3.amzn2.0.1.aarch64
webkitgtk4-jsc-devel-2.28.2-3.amzn2.0.1.aarch64
webkitgtk4-debuginfo-2.28.2-3.amzn2.0.1.aarch64
i686:
webkitgtk4-2.28.2-3.amzn2.0.1.i686
webkitgtk4-devel-2.28.2-3.amzn2.0.1.i686
webkitgtk4-jsc-2.28.2-3.amzn2.0.1.i686
webkitgtk4-jsc-devel-2.28.2-3.amzn2.0.1.i686
webkitgtk4-debuginfo-2.28.2-3.amzn2.0.1.i686
noarch:
webkitgtk4-doc-2.28.2-3.amzn2.0.1.noarch
src:
webkitgtk4-2.28.2-3.amzn2.0.1.src
x86_64:
webkitgtk4-2.28.2-3.amzn2.0.1.x86_64
webkitgtk4-devel-2.28.2-3.amzn2.0.1.x86_64
webkitgtk4-jsc-2.28.2-3.amzn2.0.1.x86_64
webkitgtk4-jsc-devel-2.28.2-3.amzn2.0.1.x86_64
webkitgtk4-debuginfo-2.28.2-3.amzn2.0.1.x86_64
Red Hat: CVE-2021-30858
Mitre: CVE-2021-30858
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
0.01 Low
EPSS
Percentile
83.3%