Vulnerability Description
Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net | >= 8.0.0, < 8.0.27 |
| Apple | Macos | - |
| Linux | Linux Kernel | - |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:17464
- https://access.redhat.com/errata/RHSA-2026:17527
- https://access.redhat.com/errata/RHSA-2026:17682
- https://access.redhat.com/errata/RHSA-2026:21286
- https://access.redhat.com/errata/RHSA-2026:21291
- https://access.redhat.com/errata/RHSA-2026:21293
- https://access.redhat.com/errata/RHSA-2026:21294
- https://access.redhat.com/errata/RHSA-2026:21295
- https://access.redhat.com/errata/RHSA-2026:21296
- https://access.redhat.com/errata/RHSA-2026:21297
- https://access.redhat.com/errata/RHSA-2026:21754
- https://access.redhat.com/errata/RHSA-2026:22145
- https://access.redhat.com/errata/RHSA-2026:24332
- https://access.redhat.com/errata/RHSA-2026:24333
FAQ
What is CVE-2026-42899?
CVE-2026-42899 is a vulnerability with a CVSS score of 7.5 (HIGH). Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-42899?
CVE-2026-42899 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-42899?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net, Apple Macos, Linux Linux Kernel, Microsoft Windows.