CVE-2021-46195: GNU Gcc

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.

Affected products

• GNU Gcc: version 12.0 only

Published 2022-01-14. Last modified 2026-10-08.