CVE-2018-17141: Debian Linux

Critical severity, CVSS 9.8. EPSS: 5.6% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Hylafax Hylafax: version 6.0.6 only
• Hylafax Hylafax+: version 5.6.0 only

Published 2018-09-21. Last modified 2026-06-17.