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Security Bulletin NR19-03


A security update for the .NET agent corrects an issue where certain character combinations may prevent query obfuscation when instrumenting Microsoft SQL Server.

Release date: April 22, 2019

Vulnerability identifier: NR19-03

Priority: Medium

Affected software

The following New Relic agent versions are affected:


Affected version


Remediated version

.NET agent

< 8.15.455.0


.NET agent


Vulnerability information

When configured to obfuscate SQL queries, the .NET agent will pass all queries through an obfuscation function. Due to the way Microsoft SQL Server sanitizes queries, certain character combinations may be generated that could cause this obfuscation to fail.

Mitigating factors

This vulnerability only exists when instrumenting Microsoft SQL Server and query obfuscation is enabled.


Report security vulnerabilities to New Relic

New Relic is committed to the security of our customers and their data. If you believe you have found a security vulnerability in one of our products or websites, we welcome and greatly appreciate you reporting it to New Relic's coordinated disclosure program. For more information, see Reporting security vulnerabilities.

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