REL: 6.7.1

## What's new

### Security (SEC)
- Detect cyclic references when accessing TreeObject.children (#3645) by @stefan6419846
- Limit size of `/ToUnicode` entries (#3646) by @stefan6419846
- Limit FlateDecode recovery attempts (#3644) by @stefan6419846

### Bug Fixes (BUG)
- Avoid own object replacement logic in `PageObject.replace_contents` (#3638) by @stefan6419846
- Fix UnboundLocalError when update_page_form_field_values with /Sig (#3634) by @John-Sharp

### Robustness (ROB)
- Avoid divison by zero when decoding FlateDecode PNG prediction (#3641) by @stefan6419846

[Full Changelog](6.7.0...6.7.1)

Author: stefan6419846

CHANGELOG.md

@@ -1,5 +1,21 @@
 # CHANGELOG
 
+## Version 6.7.1, 2026-02-17
+
+### Security (SEC)
+- Detect cyclic references when accessing TreeObject.children (#3645)
+- Limit size of `/ToUnicode` entries (#3646)
+- Limit FlateDecode recovery attempts (#3644)
+
+### Bug Fixes (BUG)
+- Avoid own object replacement logic in `PageObject.replace_contents` (#3638)
+- Fix UnboundLocalError when update_page_form_field_values with /Sig (#3634)
+
+### Robustness (ROB)
+- Avoid divison by zero when decoding FlateDecode PNG prediction (#3641)
+
+[Full Changelog](https://github.com/py-pdf/pypdf/compare/6.7.0...6.7.1)
+
 ## Version 6.7.0, 2026-02-08
 
 ### Deprecations (DEP)

pypdf/_version.py

@@ -1 +1 @@
-__version__ = "6.7.0"
+__version__ = "6.7.1"