CVE-2021-46195

MEDIUM

GCC v12.0 - Denial of Service via Uncontrolled Recursion in libiberty/rust-demangle.c

Title source: llm

Description

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.

References (1)

Core 1

Core References

Exploit, Issue Tracking, Vendor Advisory x_refsource_misc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103841

Scores

CVSS v3 5.5

EPSS 0.0078

EPSS Percentile 50.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE

CWE-674

Status published

Products (1)

gnu/gcc 12.0

Published Jan 14, 2022

Tracked Since Feb 18, 2026