Reported

November 9, 2020

Issued

January 18, 2021 (last modified: June 13, 2023)

Package

im (crates.io)

Type

INFO Unsound

Categories

• thread-safety

Aliases

• CVE-2020-36204
• GHSA-q9h2-4xhf-23xx

References

• https://github.com/bodil/im-rs/issues/157

CVSS Score

4.7 MEDIUM

CVSS Details

Attack vector

Local

Attack complexity

High

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Patched

• >=15.1.0

Unaffected

• <12.0.0

Description

Affected versions of im contains TreeFocus that unconditionally implements Send and Sync.

This allows a data race in safe Rust code if TreeFocus is extracted from Focus type. Typical users that only use Focus type are not affected.

Advisory available under CC0-1.0 license.