CVE-2016-8670
9.8
CRITICAL
CVSS 3.1
EPSS 1.7%
Description
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.
How to fix CVE-2016-8670
To remediate CVE-2016-8670, upgrade the affected package to a fixed version below.
- Debian/libgd2—upgrade to 2.2.3-87-gd0fec80-1 or later
Is CVE-2016-8670 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.2.3-87-gd0fec80-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |