CVE-2026-34877
Description
An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker who can modify the serialized structures to induce memory corruption, leading to arbitrary code execution. This is caused by Incorrect Use of Privileged APIs.
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: Gain Privileges or Assume Identity
An attacker may be able to elevate privileges.
Confidentiality
Technical Impact: Read Application Data
An attacker may be able to obtain sensitive information.
Integrity,Confidentiality,Availability
Technical Impact: Execute Unauthorized Code or Commands
An attacker may be able to execute code.
Frequently Asked Questions
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