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CVE-2019-6977

Status Candidate

Overview

gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.

Related Files

Ubuntu Security Notice USN-3900-1
Posted Feb 28, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3900-1 - It was discovered that GD incorrectly handled memory when processing certain images. A remote attacker could use this issue with a specially crafted image file to cause GD to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-6977
MD5 | 5465e69907c9e79e55b5186813ab2317
Debian Security Advisory 4384-1
Posted Feb 5, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4384-1 - 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.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, debian
advisories | CVE-2019-6977, CVE-2019-6978
MD5 | 2d023cb3c984583f2c891fe07f43d4ac
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