SB2026031950 - Red Hat Enterprise Linux 10 update for yggdrasil



SB2026031950 - Red Hat Enterprise Linux 10 update for yggdrasil

Published: March 19, 2026

Security Bulletin ID SB2026031950
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2025-61729)

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

The vulnerability exists due to application does not properly control consumption of internal resources within the HostnameError.Error() function in crypto/x509 when printing error string for host certificate validation. A remote attacker can supply a specially crafted certificate to the application and trigger resource exhaustion, leading to a denial of service condition. 


2) Resource exhaustion (CVE-ID: CVE-2025-61726)

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

The vulnerability exists due to application does not properly control consumption of internal resources within the Request.ParseForm method in net/http when parsing a URL-encoded form. A remote attacker can pass an overly large request with a large number of key-value pairs and consume all available memory on the system. 


3) Improper Certificate Validation (CVE-ID: CVE-2025-68121)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation within HTTP/3 connections. A remote attacker can cause cause a client to resume a session with a server that it would not have resumed with during the initial handshake


Remediation

Install update from vendor's website.