- ------------------------------------------------------------------------- Debian Security Advisory DSA-3828-2 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Salvatore Bonaccorso April 11, 2017 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : dovecot The Dovecot update issued as DSA-3828-1 introduced a regression, this update reverts the backported patch. Further analysis by the Dovecot team has shown that only versions starting from 2.2.26 are affected. For reference, the original advisory text follows. It was discovered that the Dovecot email server is vulnerable to a denial of service attack. When the "dict" passdb and userdb are used for user authentication, the username sent by the IMAP/POP3 client is sent through var_expand() to perform %variable expansion. Sending specially crafted %variable fields could result in excessive memory usage causing the process to crash (and restart). For the stable distribution (jessie), this problem has been fixed in version 1:2.2.13-12~deb8u3. We recommend that you upgrade your dovecot packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
Debian: DSA-3828-2: dovecot regression update
The Dovecot update issued as DSA-3828-1 introduced a regression, this update reverts the backported patch. Further analysis by the Dovecot team has shown that only versions starting from 2.2.26 are affected. For reference, the original advisory text follows.
