All vulnerabilities

Servers and applications

CVE-2024-47252

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…

Severity
High 7.5
Published
10 Jul 2025
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.4.64
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.4.0 before 2.4.64

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-47252
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-47252