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Debian Security Advisory DSA-4923-1                   security@debian.org
https://www.debian.org/security/                           Alberto Garcia
May 30, 2021                          https://www.debian.org/security/faq
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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/source-package/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