openSUSE-SU-2026:21432-1: important: Security update for gh

openSUSE security update: security update for gh
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Announcement ID: openSUSE-SU-2026:21432-1
Rating: important
References:

  * bsc#1266618



Cross-References:

  * CVE-2026-39821



CVSS scores:

  * CVE-2026-39821 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-39821 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

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An update that solves one vulnerability and has one bug fix can now be installed.

Description:

This update for gh fixes the following issues:

Changes in gh:

- CVE-2026-39821: reject all-ASCII xn-- Punycode labels in the vendored
  golang.org/x/net/idna package regardless of Go's unicode.Version (boo#1266618).


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 Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-openSUSE_Backports_SLE-16.0__patchinfo.20260723152513362606.93181000773252=1

Package List:

- openSUSE Leap 16.0:

  gh-2.96.0-bp160.2.1
  gh-bash-completion-2.96.0-bp160.2.1
  gh-fish-completion-2.96.0-bp160.2.1
  gh-zsh-completion-2.96.0-bp160.2.1

References:

  * https://www.suse.com/security/cve/CVE-2026-39821.html