{"schema_version":1,"title":"protobuf (PyPI) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in protobuf (PyPI): 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-4565, was published on 7 July 2026.","url":"https://junglewise.ai/threats/technologies/pypi-protobuf","json_url":"https://junglewise.ai/threats/technologies/pypi-protobuf.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/pypi-protobuf","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":3},"latest":[{"cve":"CVE-2025-4565","cvss":4,"epss":0.0026,"slug":"cve-2025-4565-protobuf-python-has-a-potential-denial-of-service-issue","title":"PYSEC-2026-1806 - protobuf-python has a potential Denial of Service issue","severity":"medium","exploited":false,"published_at":"2026-07-07T16:02:55.431384+00:00","url":"https://junglewise.ai/threats/cve-2025-4565-protobuf-python-has-a-potential-denial-of-service-issue"},{"cve":"CVE-2022-1941","cvss":3.1,"epss":0.015,"slug":"cve-2022-1941-protobuf-cpp-and-protobuf-python-have-potential-denial-of-service","title":"PYSEC-2026-899 - protobuf-cpp and protobuf-python have potential Denial of Service issue","severity":"low","exploited":false,"published_at":"2026-07-07T10:17:22.281659+00:00","url":"https://junglewise.ai/threats/cve-2022-1941-protobuf-cpp-and-protobuf-python-have-potential-denial-of-service"},{"cve":"CVE-2026-0994","cvss":7.5,"epss":0.0072,"slug":"cve-2026-0994-google-protobuf-denial-of-service-in-python-json-format-parsedict","title":"Google Protobuf denial of service in Python json_format.ParseDict","severity":"high","exploited":false,"published_at":"2026-01-23T15:16:06.84+00:00","url":"https://junglewise.ai/threats/cve-2026-0994-google-protobuf-denial-of-service-in-python-json-format-parsedict"},{"cve":"CVE-2015-5237","cvss":8.8,"epss":0.0496,"slug":"cve-2015-5237-google-protobuf-heap-buffer-overflow","title":"Google Protobuf heap buffer overflow","severity":"high","exploited":false,"published_at":"2022-05-13T01:06:54+00:00","url":"https://junglewise.ai/threats/cve-2015-5237-google-protobuf-heap-buffer-overflow"},{"cve":"CVE-2021-22570","cvss":3.1,"epss":0.0266,"slug":"cve-2021-22570-withdrawn-advisory-null-pointer-dereference-in-protocol-buffers","title":"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","severity":"low","exploited":false,"published_at":"2022-01-26T14:15:00+00:00","url":"https://junglewise.ai/threats/cve-2021-22570-withdrawn-advisory-null-pointer-dereference-in-protocol-buffers"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"tensorflow (PyPI)","slug":"pypi-tensorflow","vulnerabilities":428,"url":"https://junglewise.ai/threats/technologies/pypi-tensorflow"},{"name":"tensorflow-cpu (PyPI)","slug":"tensorflow-cpu","vulnerabilities":424,"url":"https://junglewise.ai/threats/technologies/tensorflow-cpu"},{"name":"tensorflow-gpu (PyPI)","slug":"tensorflow-gpu","vulnerabilities":421,"url":"https://junglewise.ai/threats/technologies/tensorflow-gpu"},{"name":"open-webui (PyPI)","slug":"open-webui","vulnerabilities":177,"url":"https://junglewise.ai/threats/technologies/open-webui"},{"name":"Django (PyPI)","slug":"django","vulnerabilities":172,"url":"https://junglewise.ai/threats/technologies/django"},{"name":"apache-airflow (PyPI)","slug":"apache-airflow","vulnerabilities":152,"url":"https://junglewise.ai/threats/technologies/apache-airflow"},{"name":"plone (PyPI)","slug":"pypi-plone","vulnerabilities":101,"url":"https://junglewise.ai/threats/technologies/pypi-plone"},{"name":"praisonai (PyPI)","slug":"pypi-praisonai","vulnerabilities":86,"url":"https://junglewise.ai/threats/technologies/pypi-praisonai"},{"name":"exiv2 (PyPI)","slug":"exiv2","vulnerabilities":85,"url":"https://junglewise.ai/threats/technologies/exiv2"},{"name":"nltk (PyPI)","slug":"nltk","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/nltk"},{"name":"mlflow (PyPI)","slug":"mlflow","vulnerabilities":82,"url":"https://junglewise.ai/threats/technologies/mlflow"},{"name":"pillow (PyPI)","slug":"pillow","vulnerabilities":79,"url":"https://junglewise.ai/threats/technologies/pillow"}],"technology":{"hub":true,"name":"protobuf (PyPI)","slug":"pypi-protobuf","vendor":{"name":"PyPI","slug":"pypi","url":"https://junglewise.ai/threats/vendors/pypi"},"aliases":[],"description":"Python library for serializing and deserializing Protocol Buffers structured data format.","url":"https://junglewise.ai/threats/technologies/pypi-protobuf"},"most_severe":[{"cve":"CVE-2015-5237","cvss":8.8,"epss":0.0496,"slug":"cve-2015-5237-google-protobuf-heap-buffer-overflow","title":"Google Protobuf heap buffer overflow","severity":"high","exploited":false,"published_at":"2022-05-13T01:06:54+00:00","url":"https://junglewise.ai/threats/cve-2015-5237-google-protobuf-heap-buffer-overflow"},{"cve":"CVE-2026-0994","cvss":7.5,"epss":0.0072,"slug":"cve-2026-0994-google-protobuf-denial-of-service-in-python-json-format-parsedict","title":"Google Protobuf denial of service in Python json_format.ParseDict","severity":"high","exploited":false,"published_at":"2026-01-23T15:16:06.84+00:00","url":"https://junglewise.ai/threats/cve-2026-0994-google-protobuf-denial-of-service-in-python-json-format-parsedict"},{"cve":"CVE-2025-4565","cvss":4,"epss":0.0026,"slug":"cve-2025-4565-protobuf-python-has-a-potential-denial-of-service-issue","title":"PYSEC-2026-1806 - protobuf-python has a potential Denial of Service issue","severity":"medium","exploited":false,"published_at":"2026-07-07T16:02:55.431384+00:00","url":"https://junglewise.ai/threats/cve-2025-4565-protobuf-python-has-a-potential-denial-of-service-issue"},{"cve":"CVE-2021-22570","cvss":3.1,"epss":0.0266,"slug":"cve-2021-22570-withdrawn-advisory-null-pointer-dereference-in-protocol-buffers","title":"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","severity":"low","exploited":false,"published_at":"2022-01-26T14:15:00+00:00","url":"https://junglewise.ai/threats/cve-2021-22570-withdrawn-advisory-null-pointer-dereference-in-protocol-buffers"},{"cve":"CVE-2022-1941","cvss":3.1,"epss":0.015,"slug":"cve-2022-1941-protobuf-cpp-and-protobuf-python-have-potential-denial-of-service","title":"PYSEC-2026-899 - protobuf-cpp and protobuf-python have potential Denial of Service issue","severity":"low","exploited":false,"published_at":"2026-07-07T10:17:22.281659+00:00","url":"https://junglewise.ai/threats/cve-2022-1941-protobuf-cpp-and-protobuf-python-have-potential-denial-of-service"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}