GHSA-28r9-pq4c-wp3c
personnummer/rust vulnerable to Improper Input Validation
This vulnerability was reported to the personnummer team in June 2020. The slow response was due to locked ownership of some of the affected packages, which caused delays to update packages prior to disclosure.
The vulnerability is determined to be low severity.
Impact
This vulnerability impacts users who rely on the for last digits of personnummer to be a real personnummer.
Patches
The issue have been patched in all repositories. The following versions should be updated to as soon as possible:
C# 3.0.2
D 3.0.1
Dart 3.0.3
Elixir 3.0.0
Go 3.0.1
Java 3.3.0
JavaScript 3.1.0
Kotlin 1.1.0
Lua 3.0.1
PHP 3.0.2
Perl 3.0.0
Python 3.0.2
Ruby 3.0.1
Rust 3.0.0
Scala 3.0.1
Swift 1.0.1
If you are using any of the earlier packages, please update to latest.
Workarounds
The issue arrieses from the regular expression allowing the first three digits in the last four digits of the personnummer to be 000, which is invalid. To mitigate this without upgrading, a check on the last four digits can be made to make sure it's not 000x.
For more information
If you have any questions or comments about this advisory:
- Open an issue in Personnummer Meta
- Email us at Personnummer Email
What each source reports
GitHub AdvisoriesNo score
personnummer/rust vulnerable to Improper Input Validation
This vulnerability was reported to the personnummer team in June 2020. The slow response was due to locked ownership of some of the affected packages, which caused delays to update packages prior to disclosure.
The vulnerability is determined to be low severity.
Impact
This vulnerability impacts users who rely on the for last digits of personnummer to be a real personnummer.
Patches
The issue have been patched in all repositories. The following versions should be updated to as soon as possible:
C# 3.0.2
D 3.0.1
Dart 3.0.3
Elixir 3.0.0
Go 3.0.1
Java 3.3.0
JavaScript 3.1.0
Kotlin 1.1.0
Lua 3.0.1
PHP 3.0.2
Perl 3.0.0
Python 3.0.2
Ruby 3.0.1
Rust 3.0.0
Scala 3.0.1
Swift 1.0.1
If you are using any of the earlier packages, please update to latest.
Workarounds
The issue arrieses from the regular expression allowing the first three digits in the last four digits of the personnummer to be 000, which is invalid. To mitigate this without upgrading, a check on the last four digits can be made to make sure it's not 000x.
For more information
If you have any questions or comments about this advisory:
- Open an issue in Personnummer Meta
- Email us at Personnummer Email
- Record
GHSA-28r9-pq4c-wp3c- Updated
- 2026-11-02
OSVNo score
personnummer/rust vulnerable to Improper Input Validation
This vulnerability was reported to the personnummer team in June 2020. The slow response was due to locked ownership of some of the affected packages, which caused delays to update packages prior to disclosure.
The vulnerability is determined to be low severity.
Impact
This vulnerability impacts users who rely on the for last digits of personnummer to be a real personnummer.
Patches
The issue have been patched in all repositories. The following versions should be updated to as soon as possible:
C# 3.0.2
D 3.0.1
Dart 3.0.3
Elixir 3.0.0
Go 3.0.1
Java 3.3.0
JavaScript 3.1.0
Kotlin 1.1.0
Lua 3.0.1
PHP 3.0.2
Perl 3.0.0
Python 3.0.2
Ruby 3.0.1
Rust 3.0.0
Scala 3.0.1
Swift 1.0.1
If you are using any of the earlier packages, please update to latest.
Workarounds
The issue arrieses from the regular expression allowing the first three digits in the last four digits of the personnummer to be 000, which is invalid. To mitigate this without upgrading, a check on the last four digits can be made to make sure it's not 000x.
For more information
If you have any questions or comments about this advisory:
- Open an issue in Personnummer Meta
- Email us at Personnummer Email
- Record
GHSA-28r9-pq4c-wp3c- Updated
- 2026-11-02
OSVRUSTSEC-2020-0166No score
personnummer Input validation error
Swedish personal identity is in the form of YYMMDD-XXXX
An issue arises from the regular expression allowing the first three digits in the last four digits of the personnummer to be 000, which is invalid.
To mitigate this without upgrading, a check on the last four digits can be made to make sure it's not 000x.
The affected version should not be relied on without the mitigation to check that the swedish personal identity number is valid.
- Record
RUSTSEC-2020-0166- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
personnummercrates.io | before 3.0.1 | 3.0.1 |
personnummercrates.io | 0.0.0-0 up to 3.0.1 | 3.0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-28r9-pq4c-wp3c is a vulnerability with no CVSS score yet in personnummer, published September 4, 2020. No source lists public exploit code. Fixed in personnummer 3.0.1.
References
github.com/personnummer/rust/security/advisories/GHSA-28r9-pq4c-wp3c
github.com/personnummer/rust/commit/11c3b0491b70449fb790056585ad3251b0e23acb
crates.io/crates/personnummer
github.com/personnummer/rust/releases/tag/v3.0.1
github.com/personnummer/rust/pull/4
rustsec.org/advisories/RUSTSEC-2020-0166.html
github.com/advisories/GHSA-28r9-pq4c-wp3c
github.com/personnummer/rust