Security Advisory

CVE-2024-47252

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-07-10 16:55:20

Last updated 2025-11-04 21:08:59

Assigner apache

State PUBLISHED

Description

Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%{varname}x" or "%{varname}c" to log variables provided by mod_ssl such as SSL_TLS_SNI, no escaping is performed by either mod_log_config or mod_ssl and unsanitized data provided by the client may appear in log files.

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