Security Advisory

CVE-2026-12043

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-12 18:35:51

Last updated 2026-06-12 18:49:54

Assigner AMZN

CVSS score 8.8

State PUBLISHED

Description

Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2 HEADERS frames. To remediate this issue, users should upgrade to aws-c-http version 0.11.0.

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