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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                              ESB-2020.4175.2
                        webkit2gtk security update
                             23 December 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           webkit2gtk
Publisher:         Debian
Operating System:  Debian GNU/Linux
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-13584 CVE-2020-9983 CVE-2020-9951
                   CVE-2020-9948  

Reference:         ESB-2020.3185.2
                   ESB-2020.3184.2

Original Bulletin: 
   http://www.debian.org/security/2020/dsa-4797
   https://lists.debian.org/debian-security-announce/2020/msg00226.html

Comment: This bulletin contains two (2) Debian security advisories.

Revision History:  December 23 2020: Vendor issued webkit2gtk regression update
                   November 25 2020: Initial Release

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Debian Security Advisory DSA-4797-1                   security@debian.org
https://www.debian.org/security/                           Alberto Garcia
November 23, 2020                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : webkit2gtk
CVE ID         : CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2020-13584

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

CVE-2020-9948

    Brendan Draper discovered that processing maliciously crafted web
    content may lead to arbitrary code execution.

CVE-2020-9951

    Marcin Noga discovered that processing maliciously crafted web
    content may lead to arbitrary code execution.

CVE-2020-9983

    zhunki discovered that processing maliciously crafted web content
    may lead to code execution.

CVE-2020-13584

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

For the stable distribution (buster), these problems have been fixed in
version 2.30.3-1~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: debian-security-announce@lists.debian.org
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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-4797-2                   security@debian.org
https://www.debian.org/security/                           Alberto Garcia
December 22, 2020                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : webkit2gtk
Debian Bug     : 976437

The update for webkit2gtk released as 4797-1 introduced a regression
with the WebSockets functionality. Updated webkit2gtk packages are now
available to correct this issue.

For the stable distribution (buster), this problem has been fixed in
version 2.30.4-1~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: debian-security-announce@lists.debian.org
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===========================================================================
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===========================================================================
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