# CVE-2018-7442: leptonica-progs: An issue was discovered in Leptonica through 1.75.3

CVE-2018-7442 is fixed in 2 products on 1 platform, first by leptonica-progs 1.76.0-1, released January 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-7442
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0200
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no

## Description

An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutputfunction does not block '/' characters in the gplot rootname argument,potentially leading to path traversal and arbitrary file overwrite.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | leptonica-progs Ubuntu 24.10 (oracular) | 1.76.0-1 | [leptonica-progs 1.76.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-leptonica-progs-1.76.0-1.md) | Jan 16, 2026 |
| Linux | leptonica-progs Ubuntu 25.04 (plucky) | 1.76.0-1 | [leptonica-progs 1.76.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-leptonica-progs-1.76.0-1.md) | Jan 16, 2026 |
| Linux | liblept5 Ubuntu 24.10 (oracular) | 1.76.0-1 | [liblept5 1.76.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-liblept5-1.76.0-1.md) | Jan 16, 2026 |
| Linux | liblept5 Ubuntu 25.04 (plucky) | 1.76.0-1 | [liblept5 1.76.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-liblept5-1.76.0-1.md) | Jan 16, 2026 |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo