
Ubuntu CVE-2026-23407: another AppArmor bounds check issue shows why parser hygiene compounds
Ubuntu refreshed CVE-2026-23407 on May 23, 2026 and describes another AppArmor bounds-check weakness, this time around DEFAULT table handling in verify_dfa. This alert explains why repeated parser issues deserve architectural attention, not just patching.
Eng. Hussein Ali Al-AssaadMay 24, 20263 min read

