Apple Container Unbounded Forwarding Memory Leak Before 1.2.0
CVE-2026-64773 Published on August 20, 2026
An attacker that can reach a container's published TCP port may be able to force the host's forwarding process to buffer an unbounded amount of that client's data in memory, for as long as the backend container connection takes to complete with no cap on how much accumulates or how long the wait can be stretched. This vulnerability is addressed in container version 1.2.0.
Vulnerability Analysis
CVE-2026-64773 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Affected Versions
Apple container:- Before 1.2.0 is affected.