Vulnerability in the apr_psprintf function in the Apache Portable Runtime (APR) library for Apache 2.0.37 through 2.0.45 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long strings, as demonstrated using XML objects to mod_dav, and possibly other vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/12090
http://www.securityfocus.com/bid/7723
http://www.redhat.com/support/errata/RHSA-2003-186.html
http://www.mandriva.com/security/advisories?name=MDKSA-2003:063
http://www.kb.cert.org/vuls/id/757612
http://www.idefense.com/advisory/05.30.03.txt
http://www.apache.org/dist/httpd/Announcement2.html
http://marc.info/?l=bugtraq&m=105418115512559&w=2
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000661
http://archives.neohapsis.com/archives/vulnwatch/2003-q2/0095.html