Gentoo Linux Security Advisory 201009-2 - Insecure permission handling in maildrop might allow local attackers to elevate their privileges. Christoph Anton Mitterer reported that maildrop does not properly drop its privileges when run as root. Versions less than 2.4.2 are affected.
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Mandriva Linux Security Advisory 2010-038 - main.C in maildrop 2.3.0 and earlier, when run by root with the -d option, uses the gid of root for execution of the.mailfilter file in a user's home directory, which allows local users to gain privileges via a crafted file. The updated packages have been patched to correct this issue.
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Debian Linux Security Advisory 1981-2 - The latest DSA for maildrop introduced two regressions. The maildrop program stopped working when invoked as a non-root user, such as with postfix. Also, the lenny version dropped a dependency on the courier-authlib package.
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