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debianDebianDEBIAN:DSA-4975-1:A7F19
HistorySep 21, 2021 - 10:15 a.m.

[SECURITY] [DSA 4975-1] webkit2gtk security update

2021-09-2110:15:01
lists.debian.org
20

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.008 Low

EPSS

Percentile

81.8%

JSON

Debian Security Advisory DSA-4975-1 [email protected]
https://www.debian.org/security/ Alberto Garcia
September 20, 2021 https://www.debian.org/security/faq

Package : webkit2gtk
CVE ID : CVE-2021-30858

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

CVE-2021-30858
An anonymous researcher discovered that processing maliciously
crafted web content may lead to arbitrary code execution. Apple is
aware of a report that this issue may have been actively
exploited.

For the oldstable distribution (buster), this problem has been fixed
in version 2.32.4-1~deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 2.32.4-1~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]

OSVersionArchitecturePackageVersionFilename
Debian11amd64gir1.2-webkit2-4.0< 2.32.4-1~deb11u1gir1.2-webkit2-4.0_2.32.4-1~deb11u1_amd64.deb
Debian10amd64libjavascriptcoregtk-4.0-dev< 2.32.4-1~deb10u1libjavascriptcoregtk-4.0-dev_2.32.4-1~deb10u1_amd64.deb
Debian11s390xlibjavascriptcoregtk-4.0-bin-dbgsym< 2.32.4-1~deb11u1libjavascriptcoregtk-4.0-bin-dbgsym_2.32.4-1~deb11u1_s390x.deb
Debian11mipselwebkit2gtk-driver-dbgsym< 2.32.4-1~deb11u1webkit2gtk-driver-dbgsym_2.32.4-1~deb11u1_mipsel.deb
Debian10s390xlibjavascriptcoregtk-4.0-18-dbgsym< 2.32.4-1~deb10u1libjavascriptcoregtk-4.0-18-dbgsym_2.32.4-1~deb10u1_s390x.deb
Debian11mips64ellibjavascriptcoregtk-4.0-bin< 2.32.4-1~deb11u1libjavascriptcoregtk-4.0-bin_2.32.4-1~deb11u1_mips64el.deb
Debian10ppc64ellibjavascriptcoregtk-4.0-bin-dbgsym< 2.32.4-1~deb10u1libjavascriptcoregtk-4.0-bin-dbgsym_2.32.4-1~deb10u1_ppc64el.deb
Debian10armhflibwebkit2gtk-4.0-dev< 2.32.4-1~deb10u1libwebkit2gtk-4.0-dev_2.32.4-1~deb10u1_armhf.deb
Debian11mipselgir1.2-javascriptcoregtk-4.0< 2.32.4-1~deb11u1gir1.2-javascriptcoregtk-4.0_2.32.4-1~deb11u1_mipsel.deb
Debian11arm64libjavascriptcoregtk-4.0-bin-dbgsym< 2.32.4-1~deb11u1libjavascriptcoregtk-4.0-bin-dbgsym_2.32.4-1~deb11u1_arm64.deb
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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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.008 Low

EPSS

Percentile

81.8%

JSON
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