CVE-2018-14553: n/a vulnerability

CVE-2018-14553: gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to...

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).

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 09:29 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2018-14553 is a crash bug in libgd. A specific call sequence can make an application dereference NULL and terminate. The source notes it only affects PHP when PHP is linked against external libgd, not PHP's bundled gd library. Exposure is most likely where PHP uses an external system libgd in the affected version range. Systems using PHP's bundled gd are stated as not affected. Non-PHP exposure is not established in the provided bundle. Prioritize patching internet-facing or business-critical services that use PHP with external libgd. The likely impact is service disruption, not confirmed data compromise, but availability-sensitive systems should not leave this unpatched. Mitigation focus: Identify systems with libgd 2.1.0-rc2 through 2.2.5 installed.; Determine whether PHP is linked to external libgd or bundled gd.; Apply vendor libgd/libgd2 security updates from the relevant distribution..

Prepared: Jun 6, 2026, 02:49 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 11, 2020, 00:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

9Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.redhat.com/show_bug.cgi?id=1599032CVE reference
https://github.com/libgd/libgd/pull/580CVE reference
https://github.com/libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860fCVE reference
[debian-lts-announce] 20200218 [SECURITY] [DLA 2106-1] libgd2 security updateCVE reference · mailing-list
FEDORA-2020-e795f92d79CVE reference · vendor-advisory
USN-4316-2CVE reference · vendor-advisory
USN-4316-1CVE reference · vendor-advisory
[debian-lts-announce] 20240406 [SECURITY] [DLA 3781-1] libgd2 security updateCVE reference · mailing-list

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

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