CVE-2026-35058

Description

A flaw was found in OpenVPN. This vulnerability, caused by improper validation of packet length during tls-crypt-v2 key extraction, allows an authenticated attacker to send a specially crafted packet. Successful exploitation can trigger a fatal assertion, leading to a denial of service (DoS) condition.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Other,Integrity,Availability

Technical Impact: Varies by Context; DoS: Resource Consumption (CPU); Modify Memory; Read Memory

When the quantity is not properly validated, then attackers can specify malicious quantities to cause excessive resource allocation, trigger unexpected failures, enable buffer overflows, etc.

Frequently Asked Questions

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