# CVE-2018-18718: gthumb: An issue was discovered in gThumb through 3.6.2

CVE-2018-18718 is fixed in 2 products on 1 platform, first by gthumb 3:3.6.1-1ubuntu0.1~esm1, released July 19, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-18718
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0041
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 29, 2018

## Description

An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_themes_from_dir method in dlg-contact-sheet.c because of two successive calls of g_free, each of which frees the same buffer.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gthumb Ubuntu 18.04.6 LTS (bionic) | 3:3.6.1-1ubuntu0.1~esm1 | [gthumb 3:3.6.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gthumb-3-3.6.1-1ubuntu0.1-esm1.md) | Jul 19, 2021 |
| Linux | gthumb-data Ubuntu 18.04.6 LTS (bionic) | 3:3.6.1-1ubuntu0.1~esm1 | [gthumb-data 3:3.6.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gthumb-data-3-3.6.1-1ubuntu0.1-esm1.md) | Jul 19, 2021 |

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