CVE-2021-31996 : An issue was discovered in the algorithmica crate through 2021-03-07 for Rust. T

An issue was discovered in the algorithmica crate through 2021-03-07 for Rust. There is a double free in merge_sort::merge().

Published 2021-05-03 07:15:08

Updated 2021-05-11 13:37:15

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2021-31996

Algorithmica Project » Algorithmica » For Rust
Versions up to, including, (<=) 2021-03-07
cpe:2.3:a:algorithmica_project:algorithmica:*:*:*:*:*:rust:*:*
Matching versions

EPSS FAQ

0.39%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 57 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-415 Double Free

The product calls free() twice on the same memory address.

Assigned by: nvd@nist.gov (Primary)

https://rustsec.org/advisories/RUSTSEC-2021-0053.html

RUSTSEC-2021-0053: algorithmica: 'merge_sort::merge()' crashes with double-free for `T: Drop` › RustSec Advisory Database
Vendor Advisory

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