Spring Security Advisories

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Spring Security BCryptPasswordEncoder maximum password length breaks timing attack mitigation

MEDIUM | APRIL 22, 2025 | CVE-2025-22234

Description

The fix applied in CVE-2025-22228 inadvertently broke the timing attack mitigation implemented in DaoAuthenticationProvider.

Affected Spring Products and Versions

Spring Security:

  • 6.4.4 - 6.4.4
  • 6.3.8 - 6.3.8
  • 6.2.10 - 6.2.10
  • 6.1.14 - 6.1.14
  • 6.0.16 - 6.0.16
  • 5.8.18 - 5.8.18
  • 5.7.16 and earlier

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
6.4.5OSS
6.3.9OSS
6.2.11Enterprise Support Only
6.1.15Enterprise Support Only
6.0.17Enterprise Support Only
5.8.19Enterprise Support Only
5.7.17Enterprise Support Only

No further mitigation steps are necessary.

Credit

The issue was identified and responsibly reported by Jonas Robl ([email protected]).

References

History

  • 2025-04-22: 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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