vulnerability

Ubuntu: (CVE-2021-46195): gcc-11 vulnerability

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Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:N/A:P)

Published

Jan 14, 2022

Added

Jun 26, 2025

Modified

Mar 27, 2026

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.

Solution

no-fix-ubuntu-package

References

CVE-2021-46195
https://attackerkb.com/topics/CVE-2021-46195
CWE-674
EUVD-EUVD-2021-32895
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-32895
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=f10bec5ffa487ad3033ed5f38cfd0fc7d696deab
https://www.cve.org/CVERecord?id=CVE-2021-46195

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