# CVE-2018-17141: hylafax-client: HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides...

CVE-2018-17141 is fixed in 2 products on 1 platform, first by hylafax-client 3:6.0.6-8.1~ubuntu0.18.04.1, released September 21, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-17141
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0559
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 21, 2018

## Description

HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a FAX page with the JPEG bit enabled, which is mishandled in FaxModem::writeECMData() in the faxd/CopyQuality.c++ file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | hylafax-client Ubuntu 18.04.6 LTS (bionic) | 3:6.0.6-8.1~ubuntu0.18.04.1 | [hylafax-client 3:6.0.6-8.1~ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-hylafax-client-3-6.0.6-8.1-ubuntu0.18.04.1.md) | Sep 21, 2018 |
| Linux | hylafax-server Ubuntu 18.04.6 LTS (bionic) | 3:6.0.6-8.1~ubuntu0.18.04.1 | [hylafax-server 3:6.0.6-8.1~ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-hylafax-server-3-6.0.6-8.1-ubuntu0.18.04.1.md) | Sep 21, 2018 |

---

Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
