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Debian Security Advisory DSA-4724-1                   security@debian.org
https://www.debian.org/security/                           Alberto Garcia
July 15, 2020                         https://www.debian.org/security/faq
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Package        : webkit2gtk
CVE ID         : CVE-2020-9802 CVE-2020-9803 CVE-2020-9805 CVE-2020-9806
                 CVE-2020-9807 CVE-2020-9843 CVE-2020-9850 CVE-2020-13753

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

CVE-2020-9802

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

CVE-2020-9803

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

CVE-2020-9805

    An anonymous researcher discovered that processing maliciously
    crafted web content may lead to universal cross site scripting.

CVE-2020-9806

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

CVE-2020-9807

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

CVE-2020-9843

    Ryan Pickren discovered that processing maliciously crafted web
    content may lead to a cross site scripting attack.

CVE-2020-9850

    @jinmo123, @setuid0x0_, and @insu_yun_en discovered that a remote
    attacker may be able to cause arbitrary code execution.

CVE-2020-13753

    Milan Crha discovered that an attacker may be able to execute
    commands outside the bubblewrap sandbox.

For the stable distribution (buster), these problems have been fixed in
version 2.28.3-2~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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