# CVE-2018-14553: libgd-tools: gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointerdereference allowing attackers to crash an ap...

CVE-2018-14553 is fixed in 4 products on 1 platform, first by libgd-tools 2.2.5-4ubuntu0.4, released February 11, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-14553
- Priority: High
- CVSS: 7.5 (Low)
- EPSS: 0.0344
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 11, 2020

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gd RHEL 8 | 0:2.2.5-7.el8 | [RHSA-2020:4659](https://patchblox.com/security/data/fix/linux/rhsa-2020-4659.md) | Nov 4, 2020 |
| Linux | gd ol 8 | 0:2.2.5-7.el8 | [ELSA-2020-4659](https://patchblox.com/security/data/fix/linux/elsa-2020-4659.md) | Nov 10, 2020 |
| Linux | gd-devel RHEL 8 | 0:2.2.5-7.el8 | [RHSA-2020:4659](https://patchblox.com/security/data/fix/linux/rhsa-2020-4659.md) | Nov 4, 2020 |
| Linux | gd-devel ol 8 | 0:2.2.5-7.el8 | [ELSA-2020-4659](https://patchblox.com/security/data/fix/linux/elsa-2020-4659.md) | Nov 10, 2020 |
| Linux | libgd-tools Ubuntu 18.04.6 LTS (bionic) | 2.2.5-4ubuntu0.4 | [libgd-tools 2.2.5-4ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgd-tools-2.2.5-4ubuntu0.4.md) | Feb 11, 2020 |
| Linux | libgd-tools Ubuntu 24.10 (oracular) | 2.2.5-5.2ubuntu1 | [libgd-tools 2.2.5-5.2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libgd-tools-2.2.5-5.2ubuntu1.md) | Jan 16, 2026 |
| Linux | libgd-tools Ubuntu 25.04 (plucky) | 2.2.5-5.2ubuntu1 | [libgd-tools 2.2.5-5.2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libgd-tools-2.2.5-5.2ubuntu1.md) | Jan 16, 2026 |
| Linux | libgd3 Ubuntu 18.04.6 LTS (bionic) | 2.2.5-4ubuntu0.4 | [libgd3 2.2.5-4ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgd3-2.2.5-4ubuntu0.4.md) | Feb 11, 2020 |
| Linux | libgd3 Ubuntu 24.10 (oracular) | 2.2.5-5.2ubuntu1 | [libgd3 2.2.5-5.2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libgd3-2.2.5-5.2ubuntu1.md) | Jan 16, 2026 |
| Linux | libgd3 Ubuntu 25.04 (plucky) | 2.2.5-5.2ubuntu1 | [libgd3 2.2.5-5.2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libgd3-2.2.5-5.2ubuntu1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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