Spring Security Advisories

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Spring Security BCryptPasswordEncoder does not enforce maximum password length

HIGH | MARCH 19, 2025 | CVE-2025-22228

Description

BCryptPasswordEncoder.matches(CharSequence,String) will incorrectly return true for passwords larger than 72 characters as long as the first 72 characters are the same.

Affected Spring Products and Versions

Spring Security:

  • 6.4.0 - 6.4.3
  • 6.3.0 - 6.3.7
  • 6.2.0 - 6.2.9
  • 6.1.0 - 6.1.13
  • 6.0.0 - 6.0.15
  • 5.8.0 - 5.8.17
  • 5.7.15 and earlier

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
6.4.4OSS
6.3.8OSS
6.2.10Enterprise Support Only
6.1.14Enterprise Support Only
6.0.16Enterprise Support Only
5.8.18Enterprise Support Only
5.7.16Enterprise Support Only

No further mitigation steps are necessary.

Credit

The issue was identified and responsibly reported by Lars Bruun-Hansen ([email protected]).

References

History

  • 2025-03-19: Initial vulnerability report published.

Reporting a vulnerability

To report a security vulnerability for a project within the Spring portfolio, see the Security Policy

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