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SUSE: 2019:2514-1 Important: Dovecot23 Security Update Overview

suse
Calendar Grey October 2, 2019
Dist Suse Esm H88
SUSE has issued a crucial announcement for dovecot23, addressing three security flaws and including detailed patching guidelines.
An update that fixes three vulnerabilities is now available

Summary

This update for dovecot23 fixes the following issues: - CVE-2019-11500: Fixed the NUL byte handling in IMAP and ManageSieve protocol parsers. (bsc#1145559) - CVE-2019-11499: Fixed a vulnerability where the submission-login would crash over a TLS secured channel (bsc#1133625). - CVE-2019-11494: Fixed a denial of service if the authentication is aborted by disconnecting (bsc#1133624). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for Server Applications 15-SP1: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2019-2514=1 Package List:

Topics%20covered

Topics Covered

security advisory denial of service patch important SUSE TLS dovecot23

References

#1133624 #1133625 #1145559

Cross- CVE-2019-11494 CVE-2019-11499 CVE-2019-11500

Affected Products:

SUSE Linux Enterprise Module for Server Applications 15-SP1

https://www.suse.com/security/cve/CVE-2019-11494.html

https://www.suse.com/security/cve/CVE-2019-11499.html

https://www.suse.com/security/cve/CVE-2019-11500.html

https://bugzilla.suse.com/1133624

https://bugzilla.suse.com/1133625

https://bugzilla.suse.com/1145559

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:2514-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service patch important SUSE TLS dovecot23

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