Microsoft Patch Tuesday: ASP.NET Core Bug Bites Hard with CVE-2025-55315 Fix!

Microsoft’s Patch Tuesday unveiled a vulnerability in ASP.NET Core with a whopping 9.9 CVSS score. Dubbed CVE-2025-55315, this HTTP request smuggling flaw is like a ninja, sneaking past security and causing mayhem. Microsoft tackled it with updates, ensuring your web server can sleep soundly without unexpected guests.

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Hot Take:

Looks like ASP.NET Core was caught with its pants down in the latest Microsoft Patch Tuesday! With a CVSS score of 9.9, this vulnerability is practically begging for attention, much like a high schooler trying to sneak into an R-rated movie. Microsoft had to roll up their sleeves, tighten their suspenders, and patch up this HTTP request smuggling bug before it ran wild stealing identities and causing chaos. So, unless you want your server acting like it’s auditioning for a disaster movie, you’ll want to get those updates ASAP!

Key Points:

  • Critical vulnerability in ASP.NET Core with a CVSS score of 9.9.
  • Flaw identified as an HTTP request smuggling issue in Kestrel web server.
  • Potential consequences include bypassing security controls, credential hijacking, and DoS attacks.
  • Vulnerability impact varies depending on application construction.
  • Patches released for various Microsoft Visual Studio and ASP.NET Core versions.

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