{"repo":"NousResearch/hermes-agent","public_id":"113535","display_label":"Fix O(n³) regex stall in dangerous-command detection","summary":"These issues and PRs address a performance bug where dangerous-command detection used catastrophic backtracking (O(n³) complexity) on long or multiline terminal commands, stalling the gateway. The fixes anchor lookahead patterns and bound matching to keep detection linear.","subsystem":null,"counts":{"members":4,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":2},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":114208,"merged_at":"2026-09-17T15:08:44+00:00"},"resolution":{"state":"resolved","by":"pr-114208"},"freshness":{"state":"verified","last_verified_at":"2026-09-17T15:08:44+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":113535,"pr_number":114208,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-17T15:08:44+00:00"}],"members":[{"kind":"issue","number":113535,"title":"[Bug]: detect_dangerous_command is O(n³) on long terminal commands and stalls the gateway (launchctl lookahead pattern)","url":null,"state":"closed"},{"kind":"pr","number":113536,"title":"fix(approval): anchor the launchctl lifecycle lookaheads so detection stays linear","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#104781","number":104781}],"category":"duplicate_of","implication":"duplicate"},"merged":false},{"kind":"pr","number":113943,"title":"fix(approval): bound dangerous-command detection on long multiline commands (#113535)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"61e730cc0b","number":0},{"kind":"pr","value":"#114208","number":114208}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":114208,"title":"Long heredoc commands no longer stall the gateway in dangerous-command detection (#113535, salvage #104781)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["contributors/emails/[redacted:email]","tests/tools/test_approval.py","tests/tools/test_approval_launchctl_performance.py","tools/approval_detection.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}