CVE-2021-46195: Medium severity gnu compiler collection (gcc) vulnerability

Published Jan 14, 2022
·
Updated

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 Software

1 affected component
GNU gcc=12.0

Event History

Jan 14, 2022
CVE Published
via MITRE·07:16 PM
Data Sourced
via MITRE·07:16 PM
Description
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Frequently Asked Questions

1

What is CVE-2021-46195?

CVE-2021-46195 is a vulnerability in GCC v12.0 that allows for uncontrolled recursion, leading to a Denial of Service attack.

2

How does the vulnerability in GCC v12.0 (CVE-2021-46195) manifest?

The vulnerability in GCC v12.0 manifests as uncontrolled recursion in the libiberty/rust-demangle.c component, which can result in excessive consumption of CPU and memory resources.

3

What is the severity of CVE-2021-46195?

CVE-2021-46195 has a severity rating of medium, with a CVSS score of 5.5.

4

How can CVE-2021-46195 be exploited?

CVE-2021-46195 can be exploited by attackers to cause a Denial of Service (DoS) by overwhelming the system with excessive CPU and memory usage.

5

Is there a fix available for CVE-2021-46195?

At the moment, there is no official fix available for CVE-2021-46195. It is recommended to apply security patches or updates provided by the vendor when they become available.

Contact

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