[d0linger]

Summary of Security Enhancement

• 🚨 Severity: MEDIUM
• 💡 Vulnerability: Unbounded parameter string lengths passed to dunningStageParam and dunningYearParam prior to integer parsing.
• 🎯 Impact: An attacker sending oversized payload strings in stufe or year parameters could trigger unnecessary memory allocations and CPU consumption during parsing, leading to Denial of Service (DoS) risks.
• 🔧 Fix: Added explicit raw string length checks (len(raw) > 50) in dunningStageParam and dunningYearParam before strconv.Atoi / strconv.ParseInt conversion.
• ✅ Verification: Added unit tests in internal/server/dunning_test.go and internal/server/web_audit_test.go verifying rejection of oversized parameter inputs. All unit and integration tests (go test ./...) pass.

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PR created automatically by Jules for task 3545125674704810834 started by @d0linger

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[d0linger]

Superseded by #251

[google-labs-jules]

Superseded by #251

Understood. Acknowledging that this pull request is superseded and stopping work on this task.