The replace_inline_img function in elogd in Electronic Logbook (ELOG) before 2.7.1 allows remote attackers to cause a denial of service (infinite loop) via crafted logbook entries. NOTE: some of these details are obtained from third party information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/39824
http://www.vupen.com/english/advisories/2008/0265