CVE-2026-57941

Summary

A Use After Free vulnerability in Apache HTTP Server's mod_http2 allows attackers to execute arbitrary code by re-entrantly accessing freed memory via shared session->bbtmp.

Exploitability

Exploitation is considered difficult due to the need for precise timing and control over the memory state, but preconditions include the presence of the affected mod_http2 module and a specific memory management scenario.

Blast radius

If exploited, this vulnerability could result in complete system compromise, leading to unauthorized code execution on the server.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade to Apache HTTP Server 2.4.69 or later.

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.