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Debian Security Advisory DSA-5060-1                   security@debian.org
https://www.debian.org/security/                           Alberto Garcia
January 25, 2022                      https://www.debian.org/security/faq
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Package        : webkit2gtk
CVE ID         : CVE-2021-30934 CVE-2021-30936 CVE-2021-30951 CVE-2021-30952
                 CVE-2021-30953 CVE-2021-30954 CVE-2021-30984

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

CVE-2021-30934

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

CVE-2021-30936

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

CVE-2021-30951

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

CVE-2021-30952

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

CVE-2021-30953

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

CVE-2021-30954

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

CVE-2021-30984

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

For the oldstable distribution (buster), these problems have been fixed
in version 2.34.4-1~deb10u1.

For the stable distribution (bullseye), these problems have been fixed in
version 2.34.4-1~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: debian-security-announce@lists.debian.org
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