CVE-2015-1783: Entrouvert Lasso

High severity, CVSS 7.5. EPSS: 3.5% chance of exploitation in the next 30 days.

The prefix variable in the get_or_define_ns function in Lasso before commit 6d854cef4211cdcdbc7446c978f23ab859847cdd allows remote attackers to cause a denial of service (uninitialized memory access and application crash) via unspecified vectors.

Affected products

• Entrouvert Lasso: up to and including 2.4.0
• Fedoraproject Fedora: version 20 only; version 21 only; version 22 only

Published 2017-08-11. Last modified 2026-06-17.