{"schema_version":1,"title":"Google Protobuf vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Google Protobuf: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54451, was published on 17 September 2026.","url":"https://junglewise.ai/threats/technologies/protobuf","json_url":"https://junglewise.ai/threats/technologies/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/protobuf","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":4,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":1,"last_365_days":3},"latest":[{"cve":"CVE-2026-54451","cvss":8.2,"epss":0.0052,"slug":"cve-2026-54451-elixir-protobuf-uncontrolled-recursion-in-decoder","title":"Elixir protobuf is a pure Elixir implementation of Google Protobuf. From 0.8.0 until 0.16.1, services that decode attacker-controlled protob","severity":"high","exploited":false,"published_at":"2026-09-17T19:16:50.36+00:00","url":"https://junglewise.ai/threats/cve-2026-54451-elixir-protobuf-uncontrolled-recursion-in-decoder"},{"cve":"CVE-2026-6409","cvss":4,"epss":0.0043,"slug":"cve-2026-6409-google-protobuf-dos-via-negative-varints-or-deep-recursion-in-php","title":"Google Protobuf DoS via negative varints or deep recursion in PHP","severity":"high","exploited":false,"published_at":"2026-03-25T21:02:08+00:00","url":"https://junglewise.ai/threats/cve-2026-6409-google-protobuf-dos-via-negative-varints-or-deep-recursion-in-php"},{"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"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"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":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Google Chrome","slug":"chrome","vulnerabilities":2529,"url":"https://junglewise.ai/threats/technologies/chrome"},{"name":"Google Android","slug":"android","vulnerabilities":356,"url":"https://junglewise.ai/threats/technologies/android"},{"name":"Google Chrome for iOS","slug":"chrome-for-ios","vulnerabilities":79,"url":"https://junglewise.ai/threats/technologies/chrome-for-ios"},{"name":"Google Chromium V8","slug":"chromium-v8","vulnerabilities":41,"url":"https://junglewise.ai/threats/technologies/chromium-v8"},{"name":"Google Chromium","slug":"chromium","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/chromium"},{"name":"Google TensorFlow","slug":"tensorflow","vulnerabilities":31,"url":"https://junglewise.ai/threats/technologies/tensorflow"},{"name":"Google Cloud Platform","slug":"google-cloud-platform","vulnerabilities":29,"url":"https://junglewise.ai/threats/technologies/google-cloud-platform"},{"name":"Google Android Framework","slug":"android-framework","vulnerabilities":21,"url":"https://junglewise.ai/threats/technologies/android-framework"},{"name":"Google Chrome for Android","slug":"chrome-for-android","vulnerabilities":21,"url":"https://junglewise.ai/threats/technologies/chrome-for-android"},{"name":"Google ChromeOS","slug":"chromeos","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/chromeos"},{"name":"Google Pixel Bootloader","slug":"pixel-bootloader","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/pixel-bootloader"},{"name":"Google WebView","slug":"webview","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/webview"}],"technology":{"hub":true,"name":"Google Protobuf","slug":"protobuf","vendor":{"name":"Google","slug":"google","url":"https://junglewise.ai/threats/vendors/google"},"aliases":[],"category":"library","homepage":"https://protobuf.dev/","repo_url":"https://github.com/protocolbuffers/protobuf","description":"A language-neutral, platform-neutral, extensible mechanism for serializing structured data.","url":"https://junglewise.ai/threats/technologies/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-2026-54451","cvss":8.2,"epss":0.0052,"slug":"cve-2026-54451-elixir-protobuf-uncontrolled-recursion-in-decoder","title":"Elixir protobuf is a pure Elixir implementation of Google Protobuf. From 0.8.0 until 0.16.1, services that decode attacker-controlled protob","severity":"high","exploited":false,"published_at":"2026-09-17T19:16:50.36+00:00","url":"https://junglewise.ai/threats/cve-2026-54451-elixir-protobuf-uncontrolled-recursion-in-decoder"},{"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-2026-6409","cvss":4,"epss":0.0043,"slug":"cve-2026-6409-google-protobuf-dos-via-negative-varints-or-deep-recursion-in-php","title":"Google Protobuf DoS via negative varints or deep recursion in PHP","severity":"high","exploited":false,"published_at":"2026-03-25T21:02:08+00:00","url":"https://junglewise.ai/threats/cve-2026-6409-google-protobuf-dos-via-negative-varints-or-deep-recursion-in-php"}],"generated_at":"2026-09-26T19:07:00.176898+00:00"}