{"vulnerability": "CVE-2023-36464", "sightings": [{"uuid": "692f04e1-dd65-4d34-abf0-13ffcd39f57a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2023-36464", "type": "seen", "source": "https://t.me/cibsecurity/65593", "content": "\u203c CVE-2023-36464 \u203c\n\npypdf is an open source, pure-python PDF library. In affected versions an attacker may craft a PDF which leads to an infinite loop if `__parse_content_stream` is executed. That is, for example, the case if the user extracted text from such a PDF. This issue was introduced in pull request #969 and resolved in pull request #1828. Users are advised to upgrade. Users unable to upgrade may modify the line `while peek not in (b\"\\r\", b\"\\n\")` in `pypdf/generic/_data_structures.py` to `while peek not in (b\"\\r\", b\"\\n\", b\"\")`.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-06-28T02:12:23.000000Z"}]}