4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
8.4 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
80.7%
Debian Security Advisory DSA-5030-1 [email protected]
https://www.debian.org/security/ Alberto Garcia
December 23, 2021 https://www.debian.org/security/faq
Package : webkit2gtk
CVE ID : CVE-2021-30887 CVE-2021-30890
The following vulnerabilities have been discovered in the webkit2gtk
web engine:
CVE-2021-30887
Narendra Bhati discovered that processing maliciously crafted web
content may lead to unexpectedly unenforced Content Security
Policy.
CVE-2021-30890
An anonymous researcher discovered that processing maliciously
crafted web content may lead to universal cross site scripting.
For the oldstable distribution (buster), these problems have been fixed
in version 2.34.3-1~deb10u1.
For the stable distribution (bullseye), these problems have been fixed in
version 2.34.3-1~deb11u1.
We recommend that you upgrade your webkit2gtk packages.
For the detailed security status of webkit2gtk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/webkit2gtk
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
8.4 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
80.7%