PT-2026-48949 · Amazon · Aws-C-Http
CVE-2026-12043
·
Published
2026-06-12
·
Updated
2026-06-15
CVSS v3.1
8.8
High
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
aws-c-http versions prior to 0.11.0
Description
Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library allows a remote threat actor operating a server to cause memory corruption on a connecting client application. This occurs via a crafted sequence of HTTP/2 HEADERS frames and could potentially lead to arbitrary code execution.
Recommendations
Upgrade to version 0.11.0.
Exploit
Fix
Double Free
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Weakness Enumeration
Related Identifiers
Affected Products
Aws-C-Http