CVE-2026-38641: High severity relibc vulnerability

Published Jun 26, 2026

Updated

An issue in the DSO::mmapandcopy function of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via loading a crafted shared library.

Affected Software

1 affected component

relibc=61f42d

Event History

Jun 26, 2026

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

Description

Data Sourced

via NVD·09:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What does an attacker need to exploit this issue?

The attacker needs to cause a crafted shared library to be loaded by software using the affected relibc code. The CVSS vector indicates exploitation is network-accessible, requires no privileges or user interaction, and has low attack complexity.

What is the expected impact of successful exploitation?

Successful exploitation can cause a denial of service. The reported CVSS impact is limited to availability; no confidentiality or integrity impact is identified.

Which code state is identified as affected?

The issue is identified in relibc commit 61f42d, specifically in the DSO::mmap_and_copy function. No affected release versions or fixed version are provided.

CVE-2026-38641: High severity relibc vulnerability

Affected Software

Event History

Frequently Asked Questions

What does an attacker need to exploit this issue?

What is the expected impact of successful exploitation?

Which code state is identified as affected?

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Frequently Asked Questions

What does an attacker need to exploit this issue?

What is the expected impact of successful exploitation?

Which code state is identified as affected?