What’s Vulnerable › Vulnerabilities

CVE-2019-11494

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-05-08 · updated 2026-06-17
• Weakness: CWE-476

Description

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.

Affected products

• dovecot: from 2.3.3 through 2.3.5.2
• Fedoraproject Fedora: 29, 30
• openSUSE Leap: 15.0, 15.1

References

• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
• https://www.dovecot.org/download.html
• https://www.dovecot.org/security.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
• https://www.dovecot.org/download.html
• https://www.dovecot.org/security.html

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