High severity8.8NVD Advisory· Published Jun 12, 2026· Updated Jun 16, 2026
CVE-2026-12043
CVE-2026-12043
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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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: <0.11.0
Patches
Vulnerability mechanics
References
3News mentions
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