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Debian Security Advisory DSA-5527-1                   security@debian.org
https://www.debian.org/security/                           Alberto Garcia
October 12, 2023                      https://www.debian.org/security/faq
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Package        : webkit2gtk
CVE ID         : CVE-2023-39928 CVE-2023-41074 CVE-2023-41993

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

CVE-2023-39928

    Marcin Noga discovered that a specially crafted web page can abuse
    a vulnerability in the MediaRecorder API to cause memory
    corruption and potentially arbitrary code execution.

CVE-2023-41074

    Junsung Lee and Me Li discovered that processing web content may
    lead to arbitrary code execution.

CVE-2023-41993

    Bill Marczak and Maddie Stone discovered that processing web
    content may lead to arbitrary code execution. Apple is aware of a
    report that this issue may have been actively exploited.

For the oldstable distribution (bullseye), these problems have been fixed
in version 2.42.1-1~deb11u1.

For the stable distribution (bookworm), these problems have been fixed in
version 2.42.1-1~deb12u1.

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

Debian: DSA-5527-1: webkit2gtk security update

October 12, 2023
The following vulnerabilities have been discovered in the WebKitGTK web engine: CVE-2023-39928

Summary

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

CVE-2023-39928

Marcin Noga discovered that a specially crafted web page can abuse
a vulnerability in the MediaRecorder API to cause memory
corruption and potentially arbitrary code execution.

CVE-2023-41074

Junsung Lee and Me Li discovered that processing web content may
lead to arbitrary code execution.

CVE-2023-41993

Bill Marczak and Maddie Stone discovered that processing web
content may lead to arbitrary code execution. Apple is aware of a
report that this issue may have been actively exploited.

For the oldstable distribution (bullseye), these problems have been fixed
in version 2.42.1-1~deb11u1.

For the stable distribution (bookworm), these problems have been fixed in
version 2.42.1-1~deb12u1.

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

Severity
Package : webkit2gtk
CVE ID : CVE-2023-39928 CVE-2023-41074 CVE-2023-41993

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