Improper Input Validation in once_cell · CVE-2019-16141 · GitHub Advisory Database · GitHub

Improper Input Validation in once_cell

High severity GitHub Reviewed Published Aug 25, 2021 to the GitHub Advisory Database • Updated Jun 13, 2023

Package

once_cell (Rust)

Affected versions

>= 0.2.5, < 1.0.1

Patched versions

1.0.1

Description

If during the first dereference of Lazy the initialization function panics, subsequent dereferences will execute std::hints::unreachable_unchecked. Applications with panic = "abort" are not affected, as there will be no subsequent dereferences.

References

Reviewed Aug 19, 2021

Published to the GitHub Advisory Database Aug 25, 2021

Last updated Jun 13, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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