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CVE-2016-8670

Status Candidate

Overview

Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.

Related Files

Apple Security Advisory 2017-01-23-2
Posted Jan 24, 2017
Authored by Apple | Site apple.com

Apple Security Advisory 2017-01-23-2 - macOS 10.12.3 is now available and addresses suffers from code execution and various other security vulnerabilities.

tags | advisory, vulnerability, code execution
systems | apple
advisories | CVE-2016-1248, CVE-2016-8670, CVE-2016-8687, CVE-2016-9933, CVE-2016-9934, CVE-2017-2353, CVE-2017-2357, CVE-2017-2358, CVE-2017-2360, CVE-2017-2361, CVE-2017-2370, CVE-2017-2371
SHA-256 | 4c40e5dbd35093797941e97f507065322698c00b5f58f1d348c313103335398b
Ubuntu Security Notice USN-3117-1
Posted Nov 1, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3117-1 - Ibrahim El-Sayed discovered that the GD library incorrectly handled certain malformed Tiff images. If a user or automated system were tricked into processing a specially crafted Tiff image, an attacker could cause a denial of service. Ke Liu discovered that the GD library incorrectly handled certain integers when processing 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 applied to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-6911, CVE-2016-7568, CVE-2016-8670
SHA-256 | 36e583c160832db3a4221ebf8d72c02ad396a5f1f28cd42e11a199e883783275
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