Red Hat CVE-2026-3234
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionNVD
A flaw was found in mod_proxy_cluster. This vulnerability, a Carriage Return Line Feed (CRLF) injection in the decodeenc() function, allows a remote attacker to bypass input validation. By injecting CRLF sequences into the cluster configuration, an attacker can corrupt the response body of INFO endpoint responses. Exploitation requires network access to the MCMP protocol port, but no authentication is needed.
AnalysisAI
mod_proxy_cluster's decodeenc() function is vulnerable to CRLF injection, enabling unauthenticated attackers with network access to the MCMP protocol port to manipulate cluster configuration and corrupt INFO endpoint responses. This input validation bypass affects systems relying on mod_proxy_cluster for load balancing and cluster management. …
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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