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.
Published 2021-04-01 05:15:15
Updated 2021-04-06 14:17:12
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2021-29940

0.48%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-29940

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
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

Products affected by CVE-2021-29940

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