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openSUSE Leap 16.0 Nano Moderate Denial of Service Vuln 2026-21166-1

opensuse
Calendar Grey June 30, 2026
Dist Opensuse Esm H88
Discover the latest openSUSE security update for nano addressing critical flaws and enhancing system integrity.
An update that solves 3 vulnerabilities and has 4 bug fixes can now be installed.

Description

This update for nano fixes the following issues:

Changes in nano:

- Update to version 9.1:

* When searching, the viewport is placed snug left where

possible.

* The ability to read and write files in old Mac format (a lone

carriage return as line ending) was removed.

* The ^T toggle between WhereIs and GotoLine was dropped.

* Fix backups that were missing or had a wrong timestamp when

--backup is active.

* On a crash or kill, a .save file is no longer chmodded or

chowned to the base file's permissions and owner.

* The history code now creates the ~/.local directory with

limited access rights (boo#1263437; the referenced

CVE-2026-40556 was rejected upstream).

* M-Ins and M-Del have become rebindable.

- GNU nano 9.0:

* When the cursor almost goes offscreen to the right, all lines

are now scrolled sideways together, by just the amount needed

to keep the cursor in view.

Use --solosidescroll or 'set solosidescroll' to get back the

...

Read the Full Advisory

Patch

Package List

- openSUSE Leap 16.0:

nano-9.1-bp160.1.1

nano-lang-9.1-bp160.1.1

References

* bsc#1258260

* bsc#1262643

* bsc#1263022

* bsc#1263437

References:

* https://www.suse.com/security/cve/CVE-2026-40556.html

* https://www.suse.com/security/cve/CVE-2026-6842.html

* https://www.suse.com/security/cve/CVE-2026-6843.html

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21166-1
Rating: moderate
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

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