7.5
CWE
476
Advisory Published
Updated

CVE-2019-11494: Null Pointer Dereference

First published: Wed May 08 2019(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Dovecot Dovecot>=2.3.3<=2.3.5.2
Fedoraproject Fedora=29
Fedoraproject Fedora=30
openSUSE Leap=15.0
openSUSE Leap=15.1

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Frequently Asked Questions

  • What is CVE-2019-11494?

    CVE-2019-11494 is a vulnerability in the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, where the submission-login service crashes when the client disconnects prematurely during the AUTH command.

  • What is the severity of CVE-2019-11494?

    The severity of CVE-2019-11494 is high with a CVSS score of 7.5.

  • Which software versions are affected by CVE-2019-11494?

    Dovecot versions 2.3.3 through 2.3.5.2 are affected by CVE-2019-11494, as well as Fedora 29, Fedora 30, openSUSE Leap 15.0, and openSUSE Leap 15.1.

  • How can I fix CVE-2019-11494?

    To fix CVE-2019-11494, it is recommended to update to a patched version of Dovecot or the affected software.

  • Where can I find more information about CVE-2019-11494?

    You can find more information about CVE-2019-11494 in the following references: [Reference 1](http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html), [Reference 2](http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html), [Reference 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/).

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