gd_xbm.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in certain custom PHP 5.5.x configurations, allows context-dependent attackers to obtain sensitive information from process memory or cause a denial of service (stack-based buffer under-read and application crash) via a long name.
http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
http://www.debian.org/security/2016/dsa-3619
http://www.openwall.com/lists/oss-security/2016/05/29/5
http://www.ubuntu.com/usn/USN-3030-1
https://github.com/libgd/libgd/commit/4dc1a2d7931017d3625f2d7cff70a17ce58b53b4
Source: MITRE
Published: 2016-08-07
Updated: 2018-10-30
Type: CWE-119
Base Score: 6.4
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P
Impact Score: 4.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Impact Score: 5.2
Exploitability Score: 3.9
Severity: CRITICAL