Executive brief
protobuf-python has a potential Denial of Service issue
Affected products
- PyPI protobuf
Junglewise Threat Intelligence
CVE-2025-4565: PYSEC-2026-1806 - protobuf-python has a potential Denial of Service issue
CVE-2025-4565 · Severity: medium · CVSS 4 · Published 2026-07-07
Technologies: protobuf (PyPI). Vendors: PyPI.
Related threats
- PYSEC-2026-899 - protobuf-cpp and protobuf-python have potential Denial of Service issue
- Google Protobuf denial of service in Python json_format.ParseDict
- Google Protobuf heap buffer overflow
- PYSEC-2022-48 - Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the p