CVE-2020-5274: Information Exposure Through an Error Message

March 30, 2020 (updated April 1, 2020)

In Symfony, some properties of the Exception were not properly escaped when the ErrorHandler rendered it stacktrace. In addition, the stacktrace was displayed in a non-debug configuration. The ErrorHandler now escapes alls properties of the exception, and the stacktrace is only displayed in debug configurations.

References

nvd.nist.gov/vuln/detail/CVE-2020-5274

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