# tesseract-ocr security updates

Patch Radar has 7 security fixes for tesseract-ocr, closing 10 CVEs. The newest is tesseract-ocr 5.3.4-1ubuntu0.1~esm1 (5.3.4-1ubuntu0.1~esm1), released October 7, 2026.

- Web page: https://patchblox.com/security/product/linux/tesseract-ocr
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [tesseract-ocr 5.3.4-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-tesseract-ocr-5.3.4-1ubuntu0.1-esm1.md) | Oct 7, 2026 | Ubuntu 24.04.5 LTS (noble) 5.3.4-1ubuntu0.1~esm1 | High | 10 | 0 |
| [tesseract-ocr 4.1.1-2.1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-tesseract-ocr-4.1.1-2.1ubuntu0.1-esm1.md) | Oct 7, 2026 | Ubuntu 22.04.1 LTS (jammy) 4.1.1-2.1ubuntu0.1~esm1 | High | 10 | 0 |
| [tesseract-ocr 4.1.1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tesseract-ocr-4.1.1-2ubuntu0.1-esm1.md) | Oct 7, 2026 | Ubuntu 20.04 LTS (focal) 4.1.1-2ubuntu0.1~esm1 | High | 10 | 0 |
| [tesseract-ocr 4.00~git2288-10f4998a-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tesseract-ocr-4.00-git2288-10f4998a-2ubuntu0.1-esm1.md) | Oct 7, 2026 | Ubuntu 18.04.6 LTS (bionic) 4.00~git2288-10f4998a-2ubuntu0.1~esm1 | High | 10 | 0 |
| [OPENSUSE-RU-2026:22002-1](https://patchblox.com/security/data/fix/linux/opensuse-ru-2026-22002-1.md) | Sep 29, 2026 | opensuse-leap 16.0 5.5.3-bp160.2.1 | High | 1 | 0 |
| [OPENSUSE-SU-2026:21957-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21957-1.md) | Sep 24, 2026 | opensuse-leap 16.0 5.5.3-bp160.1.1 | High | 8 | 0 |
| [tesseract-ocr 5.5.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-tesseract-ocr-5.5.0-1ubuntu0.1-esm1.md) | Sep 10, 2026 | Ubuntu 26.04.1 LTS (resolute) 5.5.0-1ubuntu0.1~esm1 | High | 10 | 0 |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo