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debianDebianDEBIAN:DSA-4923-1:EA1C3
HistoryMay 30, 2021 - 3:49 p.m.

[SECURITY] [DSA 4923-1] webkit2gtk security update

2021-05-3015:49:51
lists.debian.org
104

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.013 Low

EPSS

Percentile

85.9%


Debian Security Advisory DSA-4923-1 [email protected]
https://www.debian.org/security/ Alberto Garcia
May 30, 2021 https://www.debian.org/security/faq


Package : webkit2gtk
CVE ID : CVE-2021-1788 CVE-2021-1844 CVE-2021-1871

The following vulnerabilities have been discovered in the webkit2gtk
web engine:

CVE-2021-1788

Francisco Alonso discovered that processing maliciously crafted
web content may lead to arbitrary code execution.

CVE-2021-1844

Clement Lecigne and Alison Huffman discovered that processing
maliciously crafted web content may lead to arbitrary code
execution.

CVE-2021-1871

An anonymous researcher discovered that a remote attacker may be
able to cause arbitrary code execution.

For the stable distribution (buster), these problems have been fixed in
version 2.32.1-1~deb10u1.

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]

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.013 Low

EPSS

Percentile

85.9%