------------------------------------------------------------------------- Debian LTS Advisory DLA-3052-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Markus Koschany June 20, 2022 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : cyrus-imapd Version : 2.5.10-3+deb9u3 CVE ID : CVE-2019-18928 CVE-2021-33582 Debian Bug : 993433 It was discovered that the Cyrus IMAP server was prone to a denial of service attack via input that is mishandled during hash-table interaction. Furthermore it allowed privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection. For Debian 9 stretch, these problems have been fixed in version 2.5.10-3+deb9u3. We recommend that you upgrade your cyrus-imapd packages. For the detailed security status of cyrus-imapd please refer to its security tracker page at: https://security-tracker.debian.org/tracker/cyrus-imapd Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS
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