This update for gd fixes the following security issues :

  - CVE-2016-6906: An out-of-bounds read in TGA     decompression was fixed which could have lead to     crashes. (bsc#1022553)

  - CVE-2016-6912: Double free vulnerability in the     gdImageWebPtr function in the GD Graphics Library (aka     libgd) allowed remote attackers to have unspecified     impact via large width and height values. (bsc#1022284)

  - CVE-2016-9317: The gdImageCreate function in the GD     Graphics Library (aka libgd) allowed remote attackers to     cause a denial of service (system hang) via an oversized     image. (bsc#1022283)

  - CVE-2016-10166: A potential unsigned underflow in gd     interpolation functions could lead to memory corruption     in the GD Graphics Library (aka libgd) (bsc#1022263)

  - CVE-2016-10167: A denial of service problem in     gdImageCreateFromGd2Ctx() could lead to libgd running     out of memory even on small files. (bsc#1022264)

  - CVE-2016-10168: A signed integer overflow in the GD     Graphics Library (aka libgd) could lead to memory     corruption (bsc#1022265)

This update was imported from the SUSE:SLE-12:Update update project.

This update for gd fixes the following security issues :

  - CVE-2016-6906: An out-of-bounds read in TGA     decompression was fixed which could have lead to     crashes. (bsc#1022553)

  - CVE-2016-6912: Double free vulnerability in the     gdImageWebPtr function in the GD Graphics Library (aka     libgd) allowed remote attackers to have unspecified     impact via large width and height values. (bsc#1022284)

  - CVE-2016-9317: The gdImageCreate function in the GD     Graphics Library (aka libgd) allowed remote attackers to     cause a denial of service (system hang) via an oversized     image. (bsc#1022283)

  - CVE-2016-10166: A potential unsigned underflow in gd     interpolation functions could lead to memory corruption     in the GD Graphics Library (aka libgd) (bsc#1022263)

  - CVE-2016-10167: A denial of service problem in     gdImageCreateFromGd2Ctx() could lead to libgd running     out of memory even on small files. (bsc#1022264)

  - CVE-2016-10168: A signed integer overflow in the GD     Graphics Library (aka libgd) could lead to memory     corruption (bsc#1022265)

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

New gd packages are available for Slackware 14.2 and -current to fix security issues.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3213-1 advisory.

    Stefan Esser discovered that the GD library incorrectly handled memory when processing certain images. If     a user or automated system were tricked into processing a specially crafted image, an attacker could cause     a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu     16.04 LTS and Ubuntu 16.10. (CVE-2016-10166)

    It was discovered that the GD library incorrectly handled certain malformed images. If a user or automated     system were tricked into processing a specially crafted image, an attacker could cause a denial of     service. (CVE-2016-10167)

    It was discovered that the GD library incorrectly handled certain malformed images. If a user or automated     system were tricked into processing a specially crafted image, an attacker could cause a denial of     service, or possibly execute arbitrary code. (CVE-2016-10168)

    Ibrahim El-Sayed discovered that the GD library incorrectly handled certain malformed TGA images. If a     user or automated system were tricked into processing a specially crafted TGA image, an attacker could     cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.
    (CVE-2016-6906)

    Ibrahim El-Sayed discovered that the GD library incorrectly handled certain malformed WebP images. If a     user or automated system were tricked into processing a specially crafted WebP image, an attacker could     cause a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS,     Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-6912)

    It was discovered that the GD library incorrectly handled creating oversized images. If a user or     automated system were tricked into creating a specially crafted image, an attacker could cause a denial of     service. (CVE-2016-9317)

    It was discovered that the GD library incorrectly handled filling certain images. If a user or automated     system were tricked into filling an image, an attacker could cause a denial of service. (CVE-2016-9933)

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

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

## Version 2.2.4 - 2017-01-18

### Security

  - gdImageCreate() doesn't check for oversized images and     as such is prone to DoS vulnerabilities. (CVE-2016-9317)

  - double-free in gdImageWebPtr() (CVE-2016-6912)

  - potential unsigned underflow in gd_interpolation.c

  - DOS vulnerability in gdImageCreateFromGd2Ctx()

### Fixed

  - Fix #354: Signed Integer Overflow gd_io.c

  - Fix #340: System frozen

  - Fix OOB reads of the TGA decompression buffer

  - Fix DOS vulnerability in gdImageCreateFromGd2Ctx()

  - Fix potential unsigned underflow

  - Fix double-free in gdImageWebPtr()

  - Fix invalid read in gdImageCreateFromTiffPtr()

  - Fix OOB reads of the TGA decompression buffer

  - Fix #68: gif: buffer underflow reported by     AddressSanitizer

  - Avoid potentially dangerous signed to unsigned     conversion

  - Fix #304: test suite failure in gif/bug00006 [2.2.3]

  - Fix #329: GD_BILINEAR_FIXED gdImageScale() can cause     black border

  - Fix #330: Integer overflow in     gdImageScaleBilinearPalette()

  - Fix 321: NULL pointer dereferences in     gdImageRotateInterpolated

  - Fix whitespace and add missing comment block

  - Fix #319: gdImageRotateInterpolated can have wrong     background color

  - Fix color quantization documentation

  - Fix #309: gdImageGd2() writes wrong chunk sizes on     boundaries

  - Fix #307: GD_QUANT_NEUQUANT fails to unset trueColor     flag

  - Fix #300: gdImageClone() assigns res_y = res_x

  - Fix #299: Regression regarding gdImageRectangle() with     gdImageSetThickness()

  - Replace GNU old-style field designators with C89     compatible initializers

  - Fix #297: gdImageCrop() converts palette image to     truecolor image

  - Fix #290: TGA RLE decoding is broken

  - Fix unnecessary non NULL checks

  - Fix #289: Passing unrecognized formats to gdImageGd2     results in corrupted files

  - Fix #280: gdImageWebpEx() `quantization` parameter is a     misnomer

  - Publish all gdImageCreateFromWebp*() functions and     gdImageWebpCtx()

  - Fix issue #276: Sometimes pixels are missing when     storing images as BMPs

  - Fix issue #275: gdImageBmpCtx() may segfault for     non-seekable contexts

  - Fix copy&paste error in gdImageScaleBicubicFixed()

### Added

  - More documentation

  - Documentation on GD and GD2 formats

  - More tests

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

Multiple vulnerabilities have been discovered in libgd2, a library for programmatic graphics creation and manipulation, which may result in denial of service or potentially the execution of arbitrary code if a malformed file is processed.

ID	Name	Product	Family	Published	Updated	Severity
97369	openSUSE Security Update : gd (openSUSE-2017-289)	Nessus	SuSE Local Security Checks	2/24/2017	1/19/2021	critical
97203	SUSE SLED12 / SLES12 Security Update : gd (SUSE-SU-2017:0468-1)	Nessus	SuSE Local Security Checks	2/16/2017	1/6/2021	critical
101790	Slackware 14.2 / current : gd (SSA:2017-199-02)	Nessus	Slackware Local Security Checks	7/19/2017	1/14/2021	critical
97468	Ubuntu 14.04 LTS / 16.04 LTS : GD library vulnerabilities (USN-3213-1)	Nessus	Ubuntu Local Security Checks	3/1/2017	8/27/2024	critical
96706	Fedora 24 : gd (2017-2717b02630)	Nessus	Fedora Local Security Checks	1/24/2017	1/11/2021	critical
96707	Fedora 25 : gd (2017-bab5698540)	Nessus	Fedora Local Security Checks	1/24/2017	1/6/2021	critical
96912	Debian DSA-3777-1 : libgd2 - security update	Nessus	Debian Local Security Checks	2/1/2017	1/11/2021	critical

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