# CVE-2018-8905: libtiff5: In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF...

CVE-2018-8905 is fixed in 4 products on 1 platform, first by libtiff-opengl 4.0.9-5ubuntu0.1, released October 25, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-8905
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0308
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 21, 2018

## Description

In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libtiff-opengl Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.1 | [libtiff-opengl 4.0.9-5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-opengl-4.0.9-5ubuntu0.1.md) | Oct 25, 2018 |
| Linux | libtiff-tools Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.1 | [libtiff-tools 4.0.9-5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-tools-4.0.9-5ubuntu0.1.md) | Oct 25, 2018 |
| Linux | libtiff5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.1 | [libtiff5 4.0.9-5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff5-4.0.9-5ubuntu0.1.md) | Oct 25, 2018 |
| Linux | libtiffxx5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.1 | [libtiffxx5 4.0.9-5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiffxx5-4.0.9-5ubuntu0.1.md) | Oct 25, 2018 |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo