SB2026031607 - Red Hat Enterprise Linux 9 update for .NET 9.0

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Main Vulnerability Database SB2026031607

SB2026031607 - Red Hat Enterprise Linux 9 update for .NET 9.0

Published: March 16, 2026

Security Bulletin ID SB2026031607
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2026-26127)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in .NET. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.


2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-26130)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits or throttling in ASP.NET Core. A remote attacker can pass specially crafted input to the application and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.

References