High severity7.5NVD Advisory· Published Jul 10, 2025· Updated Jun 17, 2026
CVE-2024-47252
CVE-2024-47252
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.
AI Insight
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Affected products
57<=2.4.63+ 1 more
- (no CPE)range: <=2.4.63
- (no CPE)range: 2.4
- osv-coords55 versionspkg:bitnami/apachepkg:rpm/almalinux/httpdpkg:rpm/almalinux/httpd-corepkg:rpm/almalinux/httpd-develpkg:rpm/almalinux/httpd-filesystempkg:rpm/almalinux/httpd-manualpkg:rpm/almalinux/httpd-toolspkg:rpm/almalinux/mod_http2pkg:rpm/almalinux/mod_ldappkg:rpm/almalinux/mod_luapkg:rpm/almalinux/mod_mdpkg:rpm/almalinux/mod_proxy_htmlpkg:rpm/almalinux/mod_sessionpkg:rpm/almalinux/mod_sslpkg:rpm/opensuse/apache2-devel&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/apache2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/apache2-event&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/apache2-manual&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/apache2-prefork&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/apache2-utils&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/apache2-worker&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/apache2-devel&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6pkg:rpm/suse/apache2-devel&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/apache2&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/apache2-event&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6pkg:rpm/suse/apache2-event&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/apache2-prefork&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/apache2-prefork&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/apache2-tls13&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/apache2-tls13&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/apache2-utils&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6pkg:rpm/suse/apache2-utils&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/apache2-worker&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6pkg:rpm/suse/apache2-worker&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7
>= 2.4.0, < 2.4.64+ 54 more
- (no CPE)range: >= 2.4.0, < 2.4.64
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 1.15.7-10.module_el8.10.0+4044+ea5f78b1.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa
- (no CPE)range: < 1:2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.62-4.el9_6.4
- (no CPE)range: < 1:2.4.62-4.el9_6.4
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.64-1.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.62-150700.4.3.1
- (no CPE)range: < 2.4.51-150200.3.82.1
- (no CPE)range: < 2.4.51-150200.3.82.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.62-150700.4.3.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-35.69.1
- (no CPE)range: < 2.4.51-150200.3.82.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150200.3.82.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-35.69.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.51-150400.6.46.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.62-150700.4.3.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.62-150700.4.3.1
- (no CPE)range: < 2.4.51-35.69.1
- (no CPE)range: < 2.4.51-35.69.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.62-150700.4.3.1
- (no CPE)range: < 2.4.58-150600.5.35.1
- (no CPE)range: < 2.4.62-150700.4.3.1
Patches
Vulnerability mechanics
References
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