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Security updates 8.6.3 - System.Security.Cryptography.Xml#2438

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swmal merged 4 commits into
develop8from
fix/security-updates-202607
Jul 24, 2026
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Security updates 8.6.3 - System.Security.Cryptography.Xml#2438
swmal merged 4 commits into
develop8from
fix/security-updates-202607

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@swmal swmal commented Jul 24, 2026

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Security release 8.6.3

Updates System.Security.Cryptography.Xml to address five CVEs in the .NET XML signing dependency, reported by grype scanning shortly after the 8.6.2 release.

Vulnerabilities addressed

Package versions per target line

  • 8.0.4 — .NET Framework (net462), .NET 8, .NET Standard 2.0/2.1
  • 9.0.18 — .NET 9
  • 10.0.10 — .NET 10

net35 is unaffected; it uses the built-in System.Security assembly and has no package reference.

Testing

Full test suite (6500 tests) run green locally on net481, net8.0, net9.0 and net10.0.

Notes

Security-only release, no functional changes. Follows the same pattern as the 8.5.2 security update.

@swmal swmal self-assigned this Jul 24, 2026
@swmal swmal added the dependencies Pull requests that update a dependency file label Jul 24, 2026
@swmal
swmal merged commit 21b0af6 into develop8 Jul 24, 2026
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swmal deleted the fix/security-updates-202607 branch July 24, 2026 11:53
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