The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2010:0864 advisory.

    FreeType is a free, high-quality, portable font engine that can open and     manage font files. It also loads, hints, and renders individual glyphs     efficiently. These packages provide the FreeType 2 font engine.

    It was found that the FreeType font rendering engine improperly validated     certain position values when processing input streams. If a user loaded a     specially-crafted font file with an application linked against FreeType, it     could cause the application to crash or, possibly, execute arbitrary code     with the privileges of the user running the application. (CVE-2010-2805,     CVE-2010-3311)

    A stack-based buffer overflow flaw was found in the way the FreeType font     rendering engine processed some PostScript Type 1 fonts. If a user loaded a     specially-crafted font file with an application linked against FreeType, it     could cause the application to crash or, possibly, execute arbitrary code     with the privileges of the user running the application. (CVE-2010-2808)

    An array index error was found in the way the FreeType font rendering     engine processed certain PostScript Type 42 font files. If a user loaded a     specially-crafted font file with an application linked against FreeType, it     could cause the application to crash or, possibly, execute arbitrary code     with the privileges of the user running the application. (CVE-2010-2806)

    Note: All of the issues in this erratum only affect the FreeType 2 font     engine.

    Users are advised to upgrade to these updated packages, which contain     backported patches to correct these issues. The X server must be restarted     (log out, then log back in) 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.

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2010-0889 advisory.

    - Add freetype-2.3.11-CVE-2010-3855.patch         (Protect against invalid runcnt values.)
    - Add freetype-2.3.11-CVE-2010-2805.patch         (Fix comparison.)
    - Add freetype-2.3.11-CVE-2010-2806.patch         (Protect against negative string_size. Fix comparison.)
    - Add freetype-2.3.11-CVE-2010-2808.patch         (Check the total length of collected POST segments.)
    - Add freetype-2.3.11-CVE-2010-3311.patch         (Dont seek behind end of stream.)

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.

Updated freetype packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5.

The Red Hat Security Response Team has rated this update as having important 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.

FreeType is a free, high-quality, portable font engine that can open and manage font files. It also loads, hints, and renders individual glyphs efficiently. The freetype packages for Red Hat Enterprise Linux 4 provide both the FreeType 1 and FreeType 2 font engines. The freetype packages for Red Hat Enterprise Linux 5 provide only the FreeType 2 font engine.

It was discovered that the FreeType font rendering engine improperly validated certain position values when processing input streams. If a user loaded a specially crafted font file with an application linked against FreeType, and the relevant font glyphs were subsequently rendered with the X FreeType library (libXft), it could trigger a heap-based buffer overflow in the libXft library, causing the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application. (CVE-2010-3311)

A stack-based buffer overflow flaw was found in the way the FreeType font rendering engine processed some PostScript Type 1 fonts. If a user loaded a specially crafted font file with an application linked against FreeType, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application. (CVE-2010-2808)

An array index error was found in the way the FreeType font rendering engine processed certain PostScript Type 42 font files. If a user loaded a specially crafted font file with an application linked against FreeType, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application. (CVE-2010-2806)

A stack overflow flaw was found in the way the FreeType font rendering engine processed PostScript Type 1 font files that contain nested Standard Encoding Accented Character (seac) calls. If a user loaded a specially crafted font file with an application linked against FreeType, it could cause the application to crash. (CVE-2010-3054)

Note: All of the issues in this erratum only affect the FreeType 2 font engine.

Users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. The X server must be restarted (log out, then log back in) for this update to take effect.

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2010-0737 advisory.

    - Modify freetype-2.2.1-CVE-2010-3054.patch
    - Add freetype-2.2.1-CVE-2010-2806.patch         (Protect against negative string_size. Fix comparison.)
    - Add freetype-2.2.1-CVE-2010-3311.patch         (Don't seek behind end of stream.)
    - Add freetype-2.2.1-CVE-2010-3054.patch         (Protect against nested 'seac' calls.)
    - Add freetype-2.2.1-CVE-2010-2808.patch         (Check the total length of collected POST segments.)

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.

This update of freetype2 fixes several vulnerabilities that could lead to remote system compromise by executing arbitrary code with user privileges :

  - CVE-2010-1797: stack-based buffer overflow while     processing CFF opcodes

  - CVE-2010-2497: integer underflow

  - CVE-2010-2498: invalid free

  - CVE-2010-2499: buffer overflow

  - CVE-2010-2500: integer overflow

  - CVE-2010-2519: heap buffer overflow

  - CVE-2010-2520: heap buffer overflow

  - CVE-2010-2527: buffer overflows in the freetype demo

  - CVE-2010-2541: buffer overflow in ftmulti demo program

  - CVE-2010-2805: improper bounds checking

  - CVE-2010-2806: improper bounds checking

  - CVE-2010-2807: improper type comparisons

  - CVE-2010-2808: memory corruption flaw by processing     certain LWFN fonts

This update of freetype2 fixes several vulnerabilities that could lead to remote system compromise by executing arbitrary code with user privileges :

  - stack-based buffer overflow while processing CFF     opcodes. (CVE-2010-1797)

  - integer underflow. (CVE-2010-2497)

  - invalid free. (CVE-2010-2498)

  - buffer overflow. (CVE-2010-2499)

  - integer overflow. (CVE-2010-2500)

  - heap buffer overflow. (CVE-2010-2519)

  - heap buffer overflow. (CVE-2010-2520)

  - buffer overflows in the freetype demo. (CVE-2010-2527)

  - buffer overflow in ftmulti demo program. (CVE-2010-2541)

  - improper bounds checking. (CVE-2010-2805)

  - improper bounds checking. (CVE-2010-2806)

  - improper type comparisons. (CVE-2010-2807)

  - memory corruption flaw by processing certain LWFN fonts.
    (CVE-2010-2808)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
50636	RHEL 6 : freetype (RHSA-2010:0864)	Nessus	Red Hat Local Security Checks	2010/11/18	2025/4/14	critical
68142	Oracle Linux 5 / 6 : freetype (ELSA-2010-0889)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	high
49716	CentOS 4 / 5 : freetype (CESA-2010:0737)	Nessus	CentOS Local Security Checks	2010/10/6	2021/1/4	high
68108	Oracle Linux 5 : freetype (ELSA-2010-0737)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	high
48755	openSUSE Security Update : freetype2 (openSUSE-SU-2010:0549-1)	Nessus	SuSE Local Security Checks	2010/8/26	2021/1/14	high
48900	SuSE9 Security Update : freetype2 (YOU Patch Number 12630)	Nessus	SuSE Local Security Checks	2010/8/27	2021/1/14	high
49854	SuSE 10 Security Update : freetype2 (ZYPP Patch Number 7121)	Nessus	SuSE Local Security Checks	2010/10/11	2021/1/14	high
50905	SuSE 11 / 11.1 Security Update : freetype2 (SAT Patch Numbers 2914 / 2919)	Nessus	SuSE Local Security Checks	2010/12/2	2021/1/14	high
75578	openSUSE Security Update : libfreetype6 (openSUSE-SU-2010:0549-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	high

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