CVE-2018-14553

gd: NULL pointer dereference in gdImageClone

Loading…

Severity

Low

Red Hat Product Security

7.4

CVSS 3.0

Review impact separately from score.

Published · December 20, 2019

Updated · November 22, 2025

Description

gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7.4
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer