openSUSE-SU-2026:0259-1: important: Security update for gh

[email protected] Fri, 24 Jul 2026 15:04:49 +0200 (CEST)
Newsgroups gmane.linux.suse.security.announce
Message-ID <[email protected]>
   openSUSE Security Update: Security update for gh
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2026:0259-1
Rating:             important
References:         #1266618 
Cross-References:   CVE-2026-39821
CVSS scores:
                    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 Backports SLE-15-SP7
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for gh fixes the following issues:

   - 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 Backports SLE-15-SP7:

      zypper in -t patch openSUSE-2026-259=1



Package List:

   - openSUSE Backports SLE-15-SP7 (aarch64 i586 ppc64le s390x x86_64):

      gh-2.96.0-bp157.2.24.1

   - openSUSE Backports SLE-15-SP7 (noarch):

      gh-bash-completion-2.96.0-bp157.2.24.1
      gh-fish-completion-2.96.0-bp157.2.24.1
      gh-zsh-completion-2.96.0-bp157.2.24.1


References:

   https://www.suse.com/security/cve/CVE-2026-39821.html
   https://bugzilla.suse.com/1266618