CVE-2026-42899

high

Description

Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.

References

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42899.json

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899

https://bugzilla.redhat.com/show_bug.cgi?id=2476605

https://access.redhat.com/security/cve/CVE-2026-42899

https://access.redhat.com/errata/RHSA-2026:24336

https://access.redhat.com/errata/RHSA-2026:24335

https://access.redhat.com/errata/RHSA-2026:24334

https://access.redhat.com/errata/RHSA-2026:24333

https://access.redhat.com/errata/RHSA-2026:24332

https://access.redhat.com/errata/RHSA-2026:22145

https://access.redhat.com/errata/RHSA-2026:21754

https://access.redhat.com/errata/RHSA-2026:21297

https://access.redhat.com/errata/RHSA-2026:21296

https://access.redhat.com/errata/RHSA-2026:21295

https://access.redhat.com/errata/RHSA-2026:21294

https://access.redhat.com/errata/RHSA-2026:21293

https://access.redhat.com/errata/RHSA-2026:21291

https://access.redhat.com/errata/RHSA-2026:21286

https://access.redhat.com/errata/RHSA-2026:17682

https://access.redhat.com/errata/RHSA-2026:17527

https://access.redhat.com/errata/RHSA-2026:17464

Details

Source: Mitre, NVD

Published: 2026-05-12

Updated: 2026-07-15

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00039