Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c in mod_proxy in the Apache HTTP Server before 1.3.42 on 64-bit platforms allows remote origin servers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a large chunk size that triggers a heap-based buffer overflow.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7923
https://exchange.xforce.ibmcloud.com/vulnerabilities/55941
http://www.vupen.com/english/advisories/2010/1001
http://www.vupen.com/english/advisories/2010/0240
http://www.securitytracker.com/id?1023533
http://www.securityfocus.com/archive/1/509185/100/0/threaded
http://site.pi3.com.pl/adv/mod_proxy.txt
http://secunia.com/advisories/39656
http://secunia.com/advisories/38319
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html