Double-free vulnerability in CVS 1.11.4 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a malformed Directory request, as demonstrated by bypassing write checks to execute Update-prog and Checkin-prog commands.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11108
http://www.securityfocus.com/bid/6650
http://www.redhat.com/support/errata/RHSA-2003-012.html
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:009
http://www.kb.cert.org/vuls/id/650937
http://www.debian.org/security/2003/dsa-233
http://www.ciac.org/ciac/bulletins/n-032.shtml
http://www.cert.org/advisories/CA-2003-02.html
http://security.e-matters.de/advisories/012003.html
http://rhn.redhat.com/errata/RHSA-2003-013.html
http://marc.info/?l=bugtraq&m=104438807203491&w=2
http://marc.info/?l=bugtraq&m=104428571204468&w=2
http://marc.info/?l=bugtraq&m=104342550612736&w=2
http://marc.info/?l=bugtraq&m=104333092200589&w=2
http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0028.html