CVE-2018-14553
mediumpriority · track · 31EPSS 0.034 · 89 %ileEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (38)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.htmlcnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1599032cnnvd
- https://github.com/fcabralpacheco/libgd/commit/441cbfed60ebf6cb63b8ce120ed0a82b15e7aaf8cnnvd
- https://github.com/libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860fcnnvd
- https://github.com/libgd/libgd/pull/580cnnvd
- https://lists.debian.org/debian-lts-announce/2020/02/msg00014.htmlcnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2018-14553cnnvd
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