Spring Security Advisories

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Spring Expression DoS Vulnerability

MEDIUM | MARCH 28, 2022 | CVE-2022-22950

Description

In Spring Framework versions 5.3.0 - 5.3.16, 5.2.0 - 5.2.19, and older unsupported versions, it is possible for a user to provide a specially crafted SpEL expression that may cause a denial of service condition.

Affected Spring Products and Versions

Spring Framework:

  • 5.3.0 - 5.3.16
  • 5.2.19 and earlier

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
5.3.17OSS
5.2.20OSS

No further mitigation steps are necessary.

Credit

This vulnerability was initially discovered and responsibly reported by 4ra1n.

References

History

  • 2022-03-28: Initial vulnerability report published.
  • 2022-04-05: Clarification that fix was backported to Spring Framework 5.2.20.

Reporting a vulnerability

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

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