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  5. CVE-2019-16141

CVE-2019-16141: Improper Input Validation in once_cell

August 25, 2021 (updated June 13, 2023)

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

  • github.com/advisories/GHSA-7j44-fv4x-79g9
  • github.com/matklad/once_cell
  • github.com/matklad/once_cell/commit/afcca95a05240ebd931ab20998c946f77ef1e284
  • github.com/matklad/once_cell/issues/46
  • github.com/matklad/once_cell/pull/47
  • nvd.nist.gov/vuln/detail/CVE-2019-16141
  • rustsec.org/advisories/RUSTSEC-2019-0017.html

Code Behaviors & Features

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Affected versions

All versions starting from 0.2.5 before 1.0.1

Fixed versions

  • 1.0.1

Solution

Upgrade to version 1.0.1 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

cargo/once_cell/CVE-2019-16141.yml

Spotted a mistake? Edit the file on GitLab.

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