# CVE-2019-11356: cyrus-imapd: The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and SIEVE support.  Security F...

CVE-2019-11356 is fixed in 12 products on 1 platform, first by RHSA-2019:1771, released July 15, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-11356
- Priority: High
- CVSS: 9.8 (Important)
- EPSS: 0.0762
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 3, 2019

## Description

The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and SIEVE support.  Security Fix(es):  * cyrus-imapd: buffer overflow in CalDAV request handling triggered by a long iCalendar property name (CVE-2019-11356)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | cyrus-admin Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-admin 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-admin-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-caldav Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-caldav 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-caldav-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-clients Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-clients 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-clients-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-common Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-common 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-common-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-imapd RHEL 8 | 0:3.0.7-15.el8_0.1 | [RHSA-2019:1771](https://patchblox.com/security/data/fix/linux/rhsa-2019-1771.md) | Jul 15, 2019 |
| Linux | cyrus-imapd Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-imapd 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-imapd-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-imapd ol 8 | 0:3.0.7-15.el8_0.1 | [ELSA-2019-1771](https://patchblox.com/security/data/fix/linux/elsa-2019-1771.md) | Jul 30, 2019 |
| Linux | cyrus-imapd-utils RHEL 8 | 0:3.0.7-15.el8_0.1 | [RHSA-2019:1771](https://patchblox.com/security/data/fix/linux/rhsa-2019-1771.md) | Jul 15, 2019 |
| Linux | cyrus-imapd-utils ol 8 | 0:3.0.7-15.el8_0.1 | [ELSA-2019-1771](https://patchblox.com/security/data/fix/linux/elsa-2019-1771.md) | Jul 30, 2019 |
| Linux | cyrus-imapd-vzic RHEL 8 | 0:3.0.7-15.el8_0.1 | [RHSA-2019:1771](https://patchblox.com/security/data/fix/linux/rhsa-2019-1771.md) | Jul 15, 2019 |
| Linux | cyrus-imapd-vzic ol 8 | 0:3.0.7-15.el8_0.1 | [ELSA-2019-1771](https://patchblox.com/security/data/fix/linux/elsa-2019-1771.md) | Jul 30, 2019 |
| Linux | cyrus-murder Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-murder 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-murder-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-nntpd Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-nntpd 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-nntpd-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-pop3d Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-pop3d 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-pop3d-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | cyrus-replication Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [cyrus-replication 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cyrus-replication-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |
| Linux | libcyrus-imap-perl Ubuntu 18.04.6 LTS (bionic) | 2.5.10-3ubuntu1.1 | [libcyrus-imap-perl 2.5.10-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcyrus-imap-perl-2.5.10-3ubuntu1.1.md) | Dec 16, 2019 |

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