# ELSA-2020-4634: Security update for 3 packages

ELSA-2020-4634, released November 10, 2020, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2020-4634
- Platform: Linux
- Released: Nov 10, 2020
- Priority: High (Closes CVE-2019-17546, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2020-4634.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libtiff](https://patchblox.com/security/data/product/linux/libtiff.md) | ol 8 | 0:4.0.9-18.el8 |
| [libtiff-devel](https://patchblox.com/security/data/product/linux/libtiff-devel.md) | ol 8 | 0:4.0.9-18.el8 |
| [libtiff-tools](https://patchblox.com/security/data/product/linux/libtiff-tools.md) | ol 8 | 0:4.0.9-18.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-17546](https://patchblox.com/security/data/cve/CVE-2019-17546.md) | High | libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.  Security... | 8.8 | 0.0336 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo