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 Software | Affected Version | How 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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Reference Links
- 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@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
- https://www.dovecot.org/download.html
- https://www.dovecot.org/security.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/
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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