CLSA-2026-1778005006 sudo: Fix of CVE-2026-35535

CVE-2026-35535: failure to drop privileges before running mailer...

CLSA-2026-1778002733 sudo: Fix of CVE-2026-35535

CVE-2026-35535: make privilege drop failure fatal before running the mailer...

CLSA-2026-1777940187 sudo: Fix of CVE-2026-35535

CVE-2026-35535: make privilege drop failure fatal before running the mailer...

CLSA-2026-1777939719 sudo: Fix of CVE-2026-35535

CVE-2026-35535: make privilege drop failure fatal before running the mailer...