Vulnerability Details : CVE-2021-29940
An issue was discovered in the through crate through 2021-02-18 for Rust. There is a double free (in through and through_and) upon a panic of the map function.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2021-29940
Probability of exploitation activity in the next 30 days: 0.48%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 75 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-29940
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-29940
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-29940
-
https://rustsec.org/advisories/RUSTSEC-2021-0049.html
About RustSec › RustSec Advisory DatabaseExploit;Vendor Advisory
Products affected by CVE-2021-29940
- cpe:2.3:a:through_project:through:*:*:*:*:*:rust:*:*