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openSUSE Mutt Moderate Security Issue Advisory 2026-2301-1 CVE-2026-43859

opensuse
Calendar Grey June 8, 2026
Dist Opensuse Esm H88
# Security update for mutt Announcement ID: SUSE-SU-2026:2301-1 Release Date: 2026-06-08T13:55:10Z R
An update that solves six vulnerabilities and has one security fix can now be installed.

Description

This update for mutt fixes the following issues

* CVE-2026-43859: `strfcpy` used instead of `memcpy` for the IMAP `auth_cram`

MD5 digest (bsc#1263897).

* CVE-2026-43860: truncation of `hash_passwd` by one byte for IMAP `auth_cram`

MD5 digest (bsc#1263896).

* CVE-2026-43861: missing check for `\0` in `url_pct_decode` (bsc#1263895).

* CVE-2026-43862: mishandling of the `imap_auth_gss` security level

(bsc#1263894).

* CVE-2026-43863: infinite loop in `data_object_to_stream` in `crypt-gpgme.c`

(bsc#1263893).

* CVE-2026-43864: NULL pointer dereference in function `show_sig_summary`

(bsc#1263892).

Topics%20covered

Topics Covered

security advisory moderate denial of service security issue mutt OpenSUSE

Patch

## Patch Instructions:

To install this SUSE 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 Leap 15.6

zypper in -t patch SUSE-2026-2301=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2301=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* mutt-debuginfo-2.2.14-150600.3.6.1

* mutt-2.2.14-150600.3.6.1

* mutt-debugsource-2.2.14-150600.3.6.1

* openSUSE Leap 15.6 (noarch)

* mutt-lang-2.2.14-150600.3.6.1

* mutt-doc-2.2.14-150600.3.6.1

* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* mutt-debuginfo-2.2.14-150600.3.6.1

* mutt-2.2.14-150600.3.6.1

* mutt-debugsource-2.2.14-150600.3.6.1

* Basesystem Module 15-SP7 (noarch)

* mutt-lang-2.2.14-150600.3.6.1

* mutt-doc-2.2.14-150600.3.6.1

References

* bsc#1263892

* bsc#1263893

* bsc#1263894

* bsc#1263895

* bsc#1263896

* bsc#1263897

* bsc#1264047

## References:

* https://www.suse.com/security/cve/CVE-2026-43859.html

* https://www.suse.com/security/cve/CVE-2026-43860.html

* https://www.suse.com/security/cve/CVE-2026-43861.html

* https://www.suse.com/security/cve/CVE-2026-43862.html

* https://www.suse.com/security/cve/CVE-2026-43863.html

* https://www.suse.com/security/cve/CVE-2026-43864.html

* https://bugzilla.suse.com/show_bug.cgi?id=1263892

* https://bugzilla.suse.com/show_bug.cgi?id=1263893

* https://bugzilla.suse.com/show_bug.cgi?id=1263894

* https://bugzilla.suse.com/show_bug.cgi?id=1263895

* https://bugzilla.suse.com/show_bug.cgi?id=1263896

* https://bugzilla.suse.com/show_bug.cgi?id=1263897

* https://bugzilla.suse.com/show_bug.cgi?id=1264047

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2301-1
Release Date: 2026-06-08T13:55:10Z
Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory moderate denial of service security issue mutt OpenSUSE

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