CVE-2019-16141 json
Improper Input Validation in once_cell
published 7y ago modified 4mo ago also GHSA-7j44-fv4x-79g9 , RUSTSEC-2019-0017 , EUVD-2021-1622
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
An issue was discovered in the once_cell crate before 1.0.1 for Rust. There is a panic during initialization of Lazy.
Patch / fix
- crates.io once_cell 1.0.1
- once_cell_project once_cell 1.0.1
- github.com/matklad/once_cell@afcca95 commit
- github.com/matklad/once_cell#47 pull request
Is CVE-2019-16141 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | once_cell | >=0.2.5, <1.0.1 |
1.0.1 |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/matklad/once_cell/pull/47
web
-
github.com
/matklad/once_cell/commit/afcca95a05240ebd931ab20998c946f77ef1e284
web
-
rustsec.org
/advisories/RUSTSEC-2019-0017.html
web, third-party-advisory, advisory
-
github.com
/matklad/once_cell/issues/46
web, third-party-advisory, report
-
nvd.nist.gov
/vuln/detail/CVE-2019-16141
advisory
-
github.com
/matklad/once_cell
package
-
crates.io
/crates/once_cell
package
Sources
- CVE List CVE-2019-16141
- GitHub Advisory GHSA-7j44-fv4x-79g9
- NVD CVE-2019-16141
- OSV RUSTSEC-2019-0017
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.