dos fixes (#5759)

# Description of Changes

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- What was changed
- Why the change was made
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Closes #(issue_number)
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## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

app/common/src/main/java/stirling/software/common/util/GeneralUtils.java

@@ -651,6 +651,7 @@ public class GeneralUtils {
     public List<Integer> parsePageList(String[] pages, int totalPages, boolean oneBased) {
         List<Integer> result = new ArrayList<>();
         int offset = oneBased ? 1 : 0;
+        int maxSize = Math.max(1000, totalPages * 3);
         for (String page : pages) {
             if ("all".equalsIgnoreCase(page)) {
 
@@ -666,6 +667,10 @@ public class GeneralUtils {
             } else {
                 result.addAll(handlePart(page, totalPages, offset));
             }
+            if (result.size() > maxSize) {
+                throw new IllegalArgumentException(
+                        "Page list exceeds maximum allowed size of " + maxSize);
+            }
         }
         return result;
     }