This build addresses a security issue :

  - CVE-2011-3922 qt: Stack-based buffer overflow in     embedded harfbuzz code

as well as includes an upstream patch to address :

  - 'closed windows stay in the taskbar sometimes, taskbar     doesn't react on clicks', http://bugs.kde.org/275469

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Google Chrome Releases reports :

[106672] High CVE-2011-3921: Use-after-free in animation frames.
Credit to Boris Zbarsky of Mozilla. [107128] High CVE-2011-3919:
Heap-buffer-overflow in libxml. Credit to Juri Aedla. [108006] High CVE-2011-3922: Stack-buffer-overflow in glyph handling. Credit to Google Chrome Security Team (Cris Neckar).

[107182] Critical CVE-2011-3925: Use-after-free in Safe Browsing navigation. Credit to Chamal de Silva.

The remote host is affected by the vulnerability described in GLSA-201201-03 (Chromium, V8: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Chromium and V8. Please       review the CVE identifiers and release notes referenced below for       details.
  Impact :

    A context-dependent attacker could entice a user to open a specially       crafted website or JavaScript program using Chromium or V8, possibly       resulting in the execution of arbitrary code with the privileges of the       process, or a Denial of Service condition.
    The attacker could also perform URL bar spoofing.
  Workaround :

    There is no known workaround at this time.

Chromium update to version 18.0.1022 fixes several security issues

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2012-592:01 advisory.

    Qt is a software toolkit for developing applications.
    This package contains base tools, like string, xml, and network handling.
    Security issues fixed with this release:
     CVE-2010-5076     QSslSocket in Qt before 4.7.0-rc1 recognizes a wildcard IP address in the subject's Common Name field of     an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a     crafted certificate issued by a legitimate Certification Authority.
     CVE-2011-3922     Stack-based buffer overflow in Google Chrome before 16.0.912.75 allows remote attackers to cause a denial     of service or possibly have unspecified other impact via vectors related to glyph handling.

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated qt packages that fix two security issues and three bugs are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Qt is a software toolkit that simplifies the task of writing and maintaining GUI (Graphical User Interface) applications for the X Window System. HarfBuzz is an OpenType text shaping engine.

A buffer overflow flaw was found in the harfbuzz module in Qt. If a user loaded a specially crafted font file with an application linked against Qt, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application. (CVE-2011-3922)

A flaw was found in the way Qt handled X.509 certificates with IP address wildcards. An attacker able to obtain a certificate with a Common Name containing an IP wildcard could possibly use this flaw to impersonate an SSL server to client applications that are using Qt.
This update also introduces more strict handling for hostname wildcard certificates by disallowing the wildcard character to match more than one hostname component. (CVE-2010-5076)

This update also fixes the following bugs :

* The Phonon API allowed premature freeing of the media object.
Consequently, GStreamer could terminate unexpectedly as it failed to access the released media object. This update modifies the underlying Phonon API code and the problem no longer occurs. (BZ#694684)

* Previously, Qt could output the 'Unrecognized OpenGL version' error and fall back to OpenGL-version-1 compatibility mode. This happened because Qt failed to recognize the version of OpenGL installed on the system if the system was using a version of OpenGL released later than the Qt version in use. This update adds the code for recognition of OpenGL versions to Qt and if the OpenGL version is unknown, Qt assumes that the last-known version of OpenGL is available. (BZ#757793)

* Previously Qt included a compiled-in list of trusted CA (Certificate Authority) certificates, that could have been used if Qt failed to open a system's ca-bundle.crt file. With this update, Qt no longer includes compiled-in CA certificates and only uses the system bundle.
(BZ#734444)

Users of Qt should upgrade to these updated packages, which contain backported patches to correct these issues. All running applications linked against Qt libraries must be restarted for this update to take effect.

Qt is a software toolkit that simplifies the task of writing and maintaining GUI (Graphical User Interface) applications for the X Window System. HarfBuzz is an OpenType text shaping engine.

A buffer overflow flaw was found in the harfbuzz module in Qt. If a user loaded a specially crafted font file with an application linked against Qt, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application. (CVE-2011-3922)

A flaw was found in the way Qt handled X.509 certificates with IP address wildcards. An attacker able to obtain a certificate with a Common Name containing an IP wildcard could possibly use this flaw to impersonate an SSL server to client applications that are using Qt.
This update also introduces more strict handling for hostname wildcard certificates by disallowing the wildcard character to match more than one hostname component. (CVE-2010-5076)

This update also fixes the following bugs :

  - The Phonon API allowed premature freeing of the media     object. Consequently, GStreamer could terminate     unexpectedly as it failed to access the released media     object. This update modifies the underlying Phonon API     code and the problem no longer occurs.

  - Previously, Qt could output the 'Unrecognized OpenGL     version' error and fall back to OpenGL-version-1     compatibility mode. This happened because Qt failed to     recognize the version of OpenGL installed on the system     if the system was using a version of OpenGL released     later than the Qt version in use. This update adds the     code for recognition of OpenGL versions to Qt and if the     OpenGL version is unknown, Qt assumes that the     last-known version of OpenGL is available.

  - Previously Qt included a compiled-in list of trusted CA     (Certificate Authority) certificates, that could have     been used if Qt failed to open a system's ca-bundle.crt     file. With this update, Qt no longer includes     compiled-in CA certificates and only uses the system     bundle.

Users of Qt should upgrade to these updated packages, which contain backported patches to correct these issues. All running applications linked against Qt libraries must be restarted for this update to take effect.

A stack-based buffer overflow in the glyph handling of libqt4's harfbuzz has been fixed. CVE-2011-3922 has been assigned to this issue.

The version of Google Chrome installed on the remote host is earlier than 16.0.912.75 and is affected the following vulnerabilities:

  - A heap-based buffer overflow exists related to 'libxml'.
    (CVE-2011-3919)

  - A use-after-free error exists related to animation     frames. (CVE-2011-3921)

  - A stack-based buffer overflow exists related to glyph     processing. (CVE-2011-3922)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2012-0880 advisory.

    - Resolves: bz#805433, CVE-2011-3922

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名稱	產品	系列	已發布	已更新	嚴重性
57714	Fedora 15 : qt-4.7.4-10.fc15 (2011-17565)	Nessus	Fedora Local Security Checks	2012/1/30	2021/1/11	high
57454	FreeBSD : chromium -- multiple vulnerabilities (1a1aef8e-3894-11e1-8b5c-00262d5ed8ee)	Nessus	FreeBSD Local Security Checks	2012/1/9	2021/1/6	high
57456	GLSA-201201-03 : Chromium, V8: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2012/1/9	2021/1/6	high
74543	openSUSE Security Update : chromium / v8 (openSUSE-2012-107)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/19	high
284290	MiracleLinux 4 : qt-4.6.2-24.AXS4 (AXSA:2012-592:01)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	critical
59928	CentOS 6 : qt (CESA-2012:0880)	Nessus	CentOS Local Security Checks	2012/7/11	2021/1/4	high
61347	Scientific Linux Security Update : qt on SL6.x i386/x86_64 (20120620)	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	high
75918	openSUSE Security Update : libQtWebKit-devel (openSUSE-SU-2012:0091-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/19	high
57468	Google Chrome < 16.0.912.75 Multiple Vulnerabilities	Nessus	Windows	2012/1/10	2026/5/19	high
68557	Oracle Linux 6 : qt (ELSA-2012-0880)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2025/4/29	critical

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