SUSE-RU-2026:4766-1: important: Recommended update for timezone

[SLE-UPDATES]

# Recommended update for timezone

Announcement ID: SUSE-RU-2026:4766-1  
Release Date: 2026-10-20T13:54:14Z  
Rating: important  
References:

  * bsc#1264965
  * bsc#1284525

  
Affected Products:

  * SUSE Linux Enterprise Server 11 SP4
  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE

  
  
An update that has two fixes can now be installed.

## Description:

This update for timezone fixes the following issues:

  * Update to version 2026e:
    * Fix: Customer requesting new timezone patch for British Columbia change to permanent DST (bsc#1284525):
    * Manitoba moves to permanent -05 on 2026-10-31
  * Update to version 2026d:
    * Canada's Northwest Territories moved to permanent -06 on 2026-08-21
    * Obsolescent settings like TZ="EST5EDT" now conform better to POSIX
    * Fix security, performance and porting bugs in zic and localtime
  * Update to 2026c:
    * Alberta moved to permanent -06 on 2026-06-18.
    * Morocco moves to permanent +00 on 2026-09-20.
    * More integer overflow bugs have been fixed in zic.
  * Update to 2026b:
    * British Columbia moved to permanent -07 on 2026-03-09. (bsc#1264965)
    * Some more overflow bugs have been fixed in zic.
  * Update to 2026a:
    * Moldova has used EU transition times since 2022.
    * The "right" TZif files are no longer installed by default.
    * -DTZ_RUNTIME_LEAPS=0 disables runtime support for leap seconds.
    * TZif files are no longer limited to 50 bytes of abbreviations.
    * zic is no longer limited to 50 leap seconds.
    * Several integer overflow bugs have been fixed.
  * Changes from 2025c:
    * update Baja California DST rules in 1953, 1961-1975
    * An unset TZ is no longer invalid when /etc/localtime is missing, and is abbreviated "UTC" not "-00".
    * tzset etc. are now more cautious about questionable TZ settings.
    * tzset etc. now treat ' ' like '_' in time zone abbreviations.
    * tzfree now preserves errno, consistently with POSIX.1-2024 'free'.
    * zic has new options inspired by FreeBSD. '-D' skips creation of output ancestor directories, '-m MODE' sets output files mode, and '-u OWNER[:GROUP]' sets output files owner and group.
    * multiple changes visible to developers
    * Use "REDO=posix_right" to keep installing "right" TZif files.
  * Update to 2025b:
    * New zone for Aisen Region in Chile (America/Coyhaique) which moves from -04/-03 to -03
  * Update to 2025a:
    * Paraguay adopts permanent -03 starting spring 2024
    * Improve pre-1991 data for the Philippines
    * Etc/Unknown is now reserved
  * Update to 2024b:
    * Improve historical data for Mexico, Mongolia, and Portugal.
    * System V names are now obsolescent.
    * The main data form now uses %z.
    * The code now conforms to RFC 8536 for early timestamps.
    * Support POSIX.1-2024, which removes asctime_r and ctime_r.
    * Assume POSIX.2-1992 or later for shell scripts.
    * SUPPORT_C89 now defaults to 1.
    * Fixes testsuite failures for other packages

## 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:

  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE  
    zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-4766

  * SUSE Linux Enterprise Server 11 SP4  
    zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-4766

## Package List:

  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (x86_64)
    * timezone-2026e-0.52.54.1
  * SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (noarch)
    * timezone-java-2026e-0.52.54.1
  * SUSE Linux Enterprise Server 11 SP4 (x86_64)
    * timezone-2026e-0.52.54.1
  * SUSE Linux Enterprise Server 11 SP4 (noarch)
    * timezone-java-2026e-0.52.54.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1264965
  * https://bugzilla.suse.com/show_bug.cgi?id=1284525

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