# libtesseract5 5.5.0-1ubuntu0.1~esm1: libtesseract5 5.5.0-1ubuntu0.1~esm1 for Ubuntu 26.04.1 LTS (resolute)

libtesseract5 5.5.0-1ubuntu0.1~esm1, released September 10, 2026, fixes 10 CVEs in libtesseract5. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-resolute-libtesseract5-5.5.0-1ubuntu0.1-esm1
- Platform: Linux
- Released: Sep 10, 2026
- Priority: High (Closes CVE-2026-88052, high severity)
- CVEs: 10, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libtesseract5](https://patchblox.com/security/data/product/linux/libtesseract5.md) | Ubuntu 26.04.1 LTS (resolute) | 5.5.0-1ubuntu0.1~esm1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-88052](https://patchblox.com/security/data/cve/CVE-2026-88052.md) | High | tesseract: Resolves: CVE-2026-88051 CVE-2026-88053 | 8.4 | 0.0017 |  |
| [CVE-2026-88053](https://patchblox.com/security/data/cve/CVE-2026-88053.md) | High | tesseract: Resolves: CVE-2026-88051 CVE-2026-88052 | 8.4 | 0.0017 |  |
| [CVE-2026-88048](https://patchblox.com/security/data/cve/CVE-2026-88048.md) | High | tesseract: Resolves: CVE-2026-88047 CVE-2026-88049 | 8.4 | 0.0017 |  |
| [CVE-2026-88051](https://patchblox.com/security/data/cve/CVE-2026-88051.md) | High | tesseract: Fix incomplete reset 'size_used_' on validation failure | 8.4 | 0.0017 |  |
| [CVE-2026-88049](https://patchblox.com/security/data/cve/CVE-2026-88049.md) | High | tesseract: Resolves: CVE-2026-88047 CVE-2026-88048 | 8.4 | 0.0015 |  |
| [CVE-2026-73066](https://patchblox.com/security/data/cve/CVE-2026-73066.md) | High | tesseract: ELSA-2026-67831: tesseract security update (IMPORTANT) | 7.1 | 0.0013 |  |
| [CVE-2026-88047](https://patchblox.com/security/data/cve/CVE-2026-88047.md) | High | tesseract: Resolves: CVE-2026-88048 CVE-2026-88049 | 8.4 | 0.0012 |  |
| [CVE-2026-88054](https://patchblox.com/security/data/cve/CVE-2026-88054.md) | Routine | tesseract-ocr: denial of service via empty-stack dereference at model load (boo#1280935) | n/a | 0.0015 |  |
| [CVE-2026-88050](https://patchblox.com/security/data/cve/CVE-2026-88050.md) | Routine | tesseract-ocr: out-of-bounds write in UnicharCompress via unvalidated recoder code values (boo#1280931) | n/a | 0.0015 |  |
| [CVE-2026-73067](https://patchblox.com/security/data/cve/CVE-2026-73067.md) | Routine | tesseract-ocr: heap out-of-bounds read in SquishedDawg on crafted model (boo#1275623) | n/a | 0.0013 |  |

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Data as of 2026-11-13T14:02:24Z 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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