CVE-2016-9933

Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.

This update for gd fixes the following issues:

• CVE-2016-9933 possible stackoverflow on malicious truecolor images [bsc#1015187]

This update for gd fixes the following issues:

• CVE-2016-9933 possible stackoverflow on malicious truecolor images [bsc#1015187]

This update for php7 fixes the following issues:

• CVE-2016-9933 Possible stack overflow on truecolor images handling [bsc#1015187]
• CVE-2016-9934 Dereference from NULL pointer could lead to crash [bsc#1015188]
• CVE-2016-9935 Invalid read could lead to crash [bsc#1015189]
• CVE-2016-9936 Use After free in the function serialize() could lead to crash [bsc#1015191]

This update for php5 fixes the following issues:

• CVE-2016-9933 Possible stack overflow on truecolor images handling [bsc#1015187]
• CVE-2016-9934 Dereference from NULL pointer could lead to crash [bsc#1015188]
• CVE-2016-9935 Invalid read could lead to crash [bsc#1015189]

This update for php53 fixes the following issues:

• CVE-2014-9912: Stack-based buffer overflow in uloc_getDisplayName() [bsc#1012232]
• CVE-2016-9933: Possible stack overflow on truecolor images handling [bsc#1015187]
• CVE-2016-9934: Dereference from NULL pointer could lead to crash [bsc#1015188]
• CVE-2016-9935: Invalid read could lead to crash [bsc#1015189]
• Buffer overflow in libmagic, allowing attackers to crash the PHP interpreter [bsc#974305]

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)