CVE-2021-46195

MEDIUM 5.5CVE-2021-46195 · Published 14/01/2022 · updated 14/10/2026

In short

CVE-2021-46195 is a MEDIUM (CVSS 5.5) vulnerability affecting gcc (gnu).
Chance of exploitation in the next 30 days (EPSS): 0.80%, higher than 56.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
gcc gnu	`= 12.0`	No fix yet

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

gcc.gnu.org/bugzilla/show_bug.cgi · Exploit
cert-portal.siemens.com/productcert/html/ssa-398330.html

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Package

Affected versions

Patched versions

gcc

gnu

= 12.0

No fix yet

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