In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.
Advisories
Source ID Title
EUVD EUVD EUVD-2020-23862 In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00105}

epss

{'score': 0.00709}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T17:23:10.528Z

Reserved: 2021-04-14T00:00:00

Link: CVE-2020-36323

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-04-14T07:15:12.087

Modified: 2024-11-21T05:29:16.753

Link: CVE-2020-36323

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-12-23T00:00:00Z

Links: CVE-2020-36323 - Bugzilla

cve-icon OpenCVE Enrichment

No data.