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openSUSE Advisory 2026-0259-1 gh Important Punycode Fix CVE-2026

openSUSE Advisory 2026-0259-1 gh Important Punycode Fix CVE-2026

Linuxsecurity LinuxSecurity Advisories July 24, 2026

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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

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

- 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

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