{"schema_version":"1.9.0","id":"BIT-apache-2024-47252","published":"2025-07-16T07:56:11.862Z","modified":"2026-09-08T08:45:41.159412383Z","aliases":["CVE-2024-47252"],"summary":"Apache HTTP Server: mod_ssl error log variable escaping","details":"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.\n\nIn 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.","affected":[{"package":{"name":"apache","ecosystem":"Bitnami","purl":"pkg:bitnami/apache"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.4.0"},{"fixed":"2.4.64"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apache/BIT-apache-2024-47252.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}],"references":[{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-47252"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/07/10/2"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/07/10/6"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html"}],"database_specific":{"cpes":["cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"],"severity":"High"}}