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openSUSE: 2024:0007-1 important: exim smtp security fix

opensuse
Calendar Grey January 4, 2024
Dist Opensuse Esm H88
An important update for openSUSE addresses multiple exim security issues and fixes 7 vulnerabilities.
An update that fixes 7 vulnerabilities is now available

Description

This update for exim fixes the following issues:

exim was updated to 4.97.1 (boo#1218387, CVE-2023-51766):

* Fixes for the smtp protocol smuggling (CVE-2023-51766)

exim was updated to exim 4.96:

* Move from using the pcre library to pcre2.

* Constification work in the filters module required a major version

bump for the local-scan API. Specifically, the "headers_charset"

global which is visible via the API is now const and may therefore not

be modified by local-scan code.

* Bug 2819: speed up command-line messages being read in. Previously a

time check was being done for every character; replace that with one

per buffer.

* Bug 2815: Fix ALPN sent by server under OpenSSL. Previously the

string sent was prefixed with a length byte.

* Change the SMTP feature name for pipelining connect to be compliant

with RFC 5321. Previously Dovecot (at least) would log errors during

submission.

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory exim critical fix attack mitigation openSUSE smtp

Patch

Patch Instructions:

To install this openSUSE 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:

- openSUSE Backports SLE-15-SP5:

zypper in -t patch openSUSE-2024-7=1

Package List

- openSUSE Backports SLE-15-SP5 (aarch64 ppc64le s390x x86_64):

exim-4.97.1-bp155.5.9.1

eximon-4.97.1-bp155.5.9.1

eximstats-html-4.97.1-bp155.5.9.1

References

https://www.suse.com/security/cve/CVE-2022-3559.html

https://www.suse.com/security/cve/CVE-2023-42114.html

https://www.suse.com/security/cve/CVE-2023-42115.html

https://www.suse.com/security/cve/CVE-2023-42116.html

https://www.suse.com/security/cve/CVE-2023-42117.html

https://www.suse.com/security/cve/CVE-2023-42119.html

https://www.suse.com/security/cve/CVE-2023-51766.html

https://bugzilla.suse.com/1218387

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2024:0007-1
Rating: important
Affected Products: openSUSE Backports SLE-15-SP5 .

Topics%20covered

Topics Covered

security advisory exim critical fix attack mitigation openSUSE smtp

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