CVE-2017-11341: Libsass

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

There is a heap based buffer over-read in lexer.hpp of LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.

Affected products

• Libsass Libsass: version 3.4.5 only

Published 2017-07-17. Last modified 2026-06-17.