{"schema_version":"1.9.0","id":"CVE-2024-47252","published":"2025-07-10T16:55:20.013Z","modified":"2026-08-12T03:51:45.826596721Z","aliases":["BIT-apache-2024-47252"],"related":["ALSA-2025:15023","ALSA-2025:15095","ALSA-2025:15123","SUSE-SU-2025:02565-1","SUSE-SU-2025:02682-1","SUSE-SU-2025:02683-1","SUSE-SU-2025:02684-1","SUSE-SU-2025:02685-1","SUSE-SU-2026:21846-1","SUSE-SU-2026:2686-1","openSUSE-SU-2025:15360-1","openSUSE-SU-2026:20810-1"],"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":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"da5873e80d6eee7a0838793bf68f1d0254745fbb"},{"fixed":"7e926454793abd7d71b6afc8bd1ec1648752c6ad"}],"database_specific":{"cpe":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.4.0"},{"fixed":"2.4.64"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-47252.json"}}],"references":[{"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"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47252.json"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-47252"}],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-150"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47252.json","unresolved_ranges":[{"extracted_events":[{"introduced":"2.4"},{"last_affected":"2.4.63"}],"source":"AFFECTED_FIELD"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}