CVE-2026-101277

Description

A flaw was found in OpenDKIM. A remote attacker can exploit this vulnerability by sending manipulated email authentication tags to the tag tokenizer, specifically affecting the dkim_process_set function. This flaw causes the application to rely on a less trusted source during processing, potentially compromising message verification integrity or causing a denial of service (DoS).

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)

Access Control

Technical Impact: Bypass Protection Mechanism; Gain Privileges or Assume Identity

An attacker could utilize the untrusted data source to bypass protection mechanisms and gain access to sensitive data.

Frequently Asked Questions

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