The char_buffer_read function in the mod_ssl module for Apache 2.x, when using reverse proxying to an SSL server, allows remote attackers to cause a denial of service (segmentation fault).
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11864
https://exchange.xforce.ibmcloud.com/vulnerabilities/17273
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-0749
http://www.trustix.org/errata/2004/0047/
http://www.novell.com/linux/security/advisories/2004_30_apache2.html
http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:096
http://issues.apache.org/bugzilla/show_bug.cgi?id=30134
http://archives.neohapsis.com/archives/bugtraq/2004-09/0096.html