参照： Official ubuntu advisory, NVD, CVE.org · CVE 詳細
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2016-9933 low priority: Ubuntu including 3 source packages (libgd2, php5, php7.0), 15 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): released 5, DNE 4, not-affected 4, needs-triage 2.
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.