Vulnerability Details : CVE-2021-46195
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2021-46195
- cpe:2.3:a:gnu:gcc:12.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-46195
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-46195
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-46195
-
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-46195
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103841
103841 – Uncontrolled Recursion in libiberty/rust-demangle.cExploit;Issue Tracking;Vendor Advisory
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