Sympa before 5.4 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message with a malformed value of the Content-Type header and unspecified other headers. NOTE: some of these details are obtained from third party information.
secunia.com/advisories/29575
secunia.com/advisories/30910
sourcesup.cru.fr/tracker/?func=detail&group_id=23&aid=3702&atid=167
www.debian.org/security/2008/dsa-1600
www.mandriva.com/security/advisories?name=MDVSA-2008:133
www.securityfocus.com/bid/28539
www.sympa.org/distribution/latest-stable/NEWS
www.vupen.com/english/advisories/2008/1080/references
exchange.xforce.ibmcloud.com/vulnerabilities/41561