CVE-2018-5747: Debian Linux

Medium severity, CVSS 5.5. EPSS: 1.3% chance of exploitation in the next 30 days.

In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the ucompthread function (stream.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Affected products

• Debian Debian Linux: version 9.0 only
• Long Range Zip Project Long Range Zip: version 0.631 only

Published 2018-01-17. Last modified 2026-06-17.