PatchTheCVEprotobuf-python vulnerabilities and fixes
Recent CVEs affecting protobuf-python, with upgrade or downgrade steps. 1 tracked.
Also searched as: protobuf python.
protobuf-python has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-06-16. Highest priority: CVE-2025-4565 (score 28/100).
- CVE-2025-4565 MEDIUM 5.3 UPGRADE Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an arbi
FAQ
How do I fix protobuf-python vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is protobuf-python being exploited right now?
None of the tracked protobuf-python CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which protobuf-python CVE should I patch first?
CVE-2025-4565 currently ranks highest (28/100): Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an arbi.