CVE-2011-3193

Check for buffer overflow in Lookup_MarkMarkPos that may cause crash in this function with certain fonts.

CVE-2011-3194

Fix tiff reader to handle TIFFTAG_SAMPLESPERPIXEL for grayscale images. The reader uses QImage::Format_Indexed8, but since the samples per pixel value this should be (non-existent) QImage::Format_Indexed16, causing memory corruption. The fix falls back to the 'normal' way of reading tiff images.

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

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2011:1328 advisory.

    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-2011-3193)

    A buffer overflow flaw was found in the way Qt handled certain gray-scale     image files. If a user loaded a specially-crafted gray-scale image 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-2011-3194)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

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-2011-3193)

A buffer overflow flaw was found in the way Qt handled certain gray-scale image files. If a user loaded a specially crafted gray-scale image 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-2011-3194)

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.

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2011-724:02 advisory.

    Qt is a GUI software toolkit which simplifies the task of writing and maintaining GUI (Graphical User     Interface) applications for the X Window System.
    Qt is written in C++ and is fully object-oriented.
    This package contains the shared library needed to run qt applications, as well as the README files for     qt.
    Security issues fixed with this release:
    CVE-2011-3193     CVE-2011-3194     No information available at the time of writing, please refer to the CVE links below.
    Fixed bugs:
    - Fixed multiple flaws in Qt
    - Fixed missing executable bit in qt-examples binaries
    - Moved macros.qt4 to -devel
    - Fixed rpmdiff failure
    - Fixed Malayalam rakar not getting reordered

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.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-1323 advisory.

    [1:4.6.2-17.1]
    - Resolves: #rhbz737812        fix multiple flaws in Qt        CVE-2011-3193, CVE-2011-3194

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.

Specially crafted font files could cause a single byte heap based buffer overflow (CVE-2011-3193).

Specially crafted grey scale images could cause a heap based buffer overflow (CVE-2011-3194).

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
82100	Debian DLA-117-1 : qt4-x11 security update	Nessus	Debian Local Security Checks	2015/3/26	2021/1/11	high
56255	RHEL 6 : qt (RHSA-2011:1328)	Nessus	Red Hat Local Security Checks	2011/9/22	2025/4/14	critical
61141	Scientific Linux Security Update : qt on SL6.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	high
284482	MiracleLinux 4 : qt-4.6.2-20.AXS4 (AXSA:2011-724:02)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	critical
68353	Oracle Linux 6 : qt (ELSA-2011-1323)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	high
75917	openSUSE Security Update : libQtWebKit-devel (openSUSE-SU-2011:1120-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	high

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