SB2026041670 - Ubuntu update for dotnet10

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Infinite loop (CVE-ID: CVE-2026-33116)

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

The vulnerability exists due to infinite loop in .NET, .NET Framework, and Visual Studio. A remote attacker can consume all available system resources and cause denial of service conditions.

2) Resource exhaustion (CVE-ID: CVE-2026-26171)

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 in .NET. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

3) Stack-based buffer overflow (CVE-ID: CVE-2026-32203)

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

The vulnerability exists due to a boundary error in .NET and Visual Studio. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause a denial of service condition on the target system.

4) Improper Neutralization of Special Elements (CVE-ID: CVE-2026-32178)

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

The vulnerability exists due to improper neutralization of special elements in .NET. A remote attacker can perform spoofing attack.

Remediation

Install update from vendor's website.

References

• https://ubuntu.com/security/notices/USN-8176-1