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Debian Security Advisory DSA-4558-1                   security@debian.org
https://www.debian.org/security/                           Alberto Garcia
November 04, 2019                     https://www.debian.org/security/faq
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Package        : webkit2gtk
CVE ID         : CVE-2019-8625 CVE-2019-8720 CVE-2019-8769 CVE-2019-8771

Several vulnerabilities have been discovered in the webkit2gtk web engine:

CVE-2019-8625

    Sergei Glazunov discovered that maliciously crafted web content
    may lead to universal cross site scripting.

CVE-2019-8720

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

CVE-2019-8769

    Pierre Reimertz discovered that visiting a maliciously crafted
    website may reveal browsing history.

CVE-2019-8771

    Eliya Stein discovered that maliciously crafted web content may
    violate iframe sandboxing policy.

For the stable distribution (buster), these problems have been fixed in
version 2.26.1-3~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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