Mandriva Linux Security Advisory 2009-242-1 - Multiple stack-based buffer overflows in the Sieve plugin in Dovecot 1.0 before 1.0.4 and 1.1 before 1.1.7, as derived from Cyrus libsieve, allow context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted SIEVE script, as demonstrated by forwarding an e-mail message to a large number of recipients, a different vulnerability than CVE-2009-2632. This update provides a solution to this vulnerability. Packages for Enterprise 5 i586 were missing with the previous update. This update corrects this.
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