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Fedora 44 docker-buildx Notable Command Execution 2026

Fedora 44 docker-buildx Notable Command Execution 2026

Linuxsecurity •LinuxSecurity Advisories • June 27, 2026

Update to release v0.35.0 Resolves: rhbz#2487819 Resolves CVE-2026-39828: rhbz#2489918, rhbz#2490102 Upstream enhancements, new features, and fixes

* Thu Jun 18 2026 Bradley G Smith - 0.35.0-1 - Update to release v0.35.0 - Resolves: rhbz#2487819 - Resolves CVE-2026-39828: rhbz#2489918, rhbz#2490102 - Upstream enhancements, new features, and fixes * Tue May 19 2026 Bradley G Smith - 0.34.1-1 - Update to release v0.34.1 - Resolves: rhbz#2479976 - Upstream fixes

* Thu Jun 18 2026 Bradley G Smith - 0.35.0-1 - Update to release v0.35.0 - Resolves: rhbz#2487819 - Resolves CVE-2026-39828: rhbz#2489918, rhbz#2490102 - Upstream enhancements, new features, and fixes * Tue May 19 2026 Bradley G Smith - 0.34.1-1 - Update to release v0.34.1 - Resolves: rhbz#2479976 - Upstream fixes

[ 1 ] Bug #2487819 - docker-buildx-0.35.0 is available [ 2 ] Bug #2489918 - CVE-2026-39828 docker-buildx: golang.org/x/crypto/ssh: Unauthorized command execution via discarded SSH permissions [fedora-all] [ 3 ] Bug #2490102 - CVE-2026-39829 docker-buildx: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters [fedora-all]

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-105f7df940' at the command line. For more information, refer to the dnf documentation available at

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