protobuf vulnerabilities (PyPI)

5 vulnerabilities.

• protobuf PyPI Denial of Service in Python Protobuf CVE-2026-0994 Public exploitFix available 8.2 HighJanuary 23, 2026
• protobuf PyPI Unbounded recursion in Python Protobuf CVE-2025-4565 Fix available 8.2 HighJune 16, 2025
• protobuf PyPI Out of Memory issue in ProtocolBuffers for cpp and python CVE-2022-1941 Fix available 7.5 HighSeptember 22, 2022
• protobuf PyPI Nullptr Dereference in Protobuf CVE-2021-22570 Fix available 6.5 MediumJanuary 26, 2022
• protobuf PyPI protobuf susceptible to buffer overflow CVE-2015-5237 Fix available 8.8 HighSeptember 25, 2017