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CVE-2018-14553

20
FAUCET Score

CVE-2018-14553 describes a NULL pointer dereference vulnerability in the gdImageClone function of libgd versions 2.1.0-rc2 through 2.2.5, specifically impacting PHP installations linked with an external libgd. This flaw allows an unauthenticated attacker to remotely crash an application, resulting in a high availability impact. Despite its high CVSS score of 7.5, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.1.1, <= 2.2.5CPE matchmatch criteria
cpe:2.3:a:libgd:libgd:*:*:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:a:libgd:libgd:2.1.0:-:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:a:libgd:libgd:2.1.0:rc2:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.41%
Probability of exploitation in next 30 days
EPSS Percentile
87.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0341 is in the 78th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gd-0:2.2.5-7.el8
View patch

Vendor Advisories (1)

redhatCVE-2018-14553Low

gd: NULL pointer dereference in gdImageClone

Dec 20, 2019

References

lists.opensuse.org / opensuse-security-announce/2020-03/msg00020.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPermissions Required
github.com / libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860f
PatchThird Party Advisory
github.com / libgd/libgd/pull/580
Third Party Advisory
lists.debian.org / debian-lts-announce/2020/02/msg00014.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2024/04/msg00003.html
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6
usn.ubuntu.com / 4316-1
Third Party Advisory
usn.ubuntu.com / 4316-2
Third Party Advisory