Improper Output Neutralization for Logs Affecting httpd package, versions <0:2.4.63-1.el10_0.2


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.67% (47th percentile)

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  • Snyk IDSNYK-RHEL10-HTTPD-12468191
  • published3 Sept 2025
  • disclosed1 Jan 2024

Introduced: 1 Jan 2024

CVE-2024-47252  (opens in a new tab)
CWE-117  (opens in a new tab)

How to fix?

Upgrade RHEL:10 httpd to version 0:2.4.63-1.el10_0.2 or higher.
This issue was patched in RHSA-2025:15095.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd package and not the httpd package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1