{"kind": "product", "path": "vulns/pypi/grpcio", "name": "grpcio", "product": "grpcio", "ecosystem": "PyPI", "items": [{"id": "CVE-2023-4785", "noindex": false, "published": "2023-09-13T16:31:55.664Z", "modified": "2026-01-12T15:34:12.725Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.00773, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2023-4785", "title": "Denial of Service in gRPC Core", "description": "Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.", "references": ["https://github.com/grpc/grpc/pull/33656", "https://github.com/grpc/grpc/pull/33667", "https://github.com/grpc/grpc/pull/33669"], "fixes": ["1.53.2", "1.54.3", "1.55.3"], "products": [{"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}]}, {"id": "CVE-2023-33953", "noindex": false, "published": "2023-08-09T12:54:47.415Z", "modified": "2024-09-27T18:40:52.297Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.00479, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2023-33953", "title": "Denial-of-Service in gRPC", "description": "gRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers in exceptional cases/ Three vectors were found that allow the following DOS attacks:\n\n- Unbounded memory buffering in the HPACK parser\n- Unbounded CPU consumption in the HPACK parser\n\nThe unbounded CPU consumption is down to a copy that occurred per-input-block in the parser, and because that could be unbounded due to the memory copy bug we end up with an O(n^2) parsing loop, with n selected by the client.\n\nThe unbounded memory buffering bugs:\n\n- The header size limit check was behind the string reading code, ", "references": ["https://cloud.google.com/support/bulletins#gcp-2023-022", "https://nvd.nist.gov/vuln/detail/CVE-2023-33953"], "fixes": ["1.53.2", "1.54.3", "1.55.2", "1.56.2"], "products": [{"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}]}, {"id": "CVE-2023-32731", "noindex": false, "published": "2023-06-09T10:54:08.472Z", "modified": "2024-09-26T19:12:06.245Z", "cvss": 7.4, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H", "severity": "high", "epss": 0.00498, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2023-32731", "title": "Information leak in gRPC", "description": "When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in  https://github.com/grpc/grpc/pull/33005 https://github.com/grpc/grpc/pull/33005 \n", "references": ["https://github.com/grpc/grpc/pull/32309", "https://github.com/grpc/grpc/pull/33005", "https://nvd.nist.gov/vuln/detail/CVE-2023-32731"], "fixes": ["1.53.1", "1.54.2"], "products": [{"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}]}, {"id": "CVE-2023-32732", "noindex": false, "published": "2023-06-09T10:48:15.075Z", "modified": "2025-02-13T16:55:01.392Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "severity": "medium", "epss": 0.00527, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2023-32732", "title": "Denial-of-Service in gRPC", "description": "gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in  https://github.com/grpc/grpc/pull/32309 https://www.google.com/url", "references": ["https://github.com/grpc/grpc/pull/32309", "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/", "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/"], "fixes": ["1.53.1", "1.54.2"], "products": [{"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}, {"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}]}, {"id": "CVE-2023-1428", "noindex": false, "published": "2023-06-09T10:46:54.244Z", "modified": "2024-09-26T18:58:56.654Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.00406, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2023-1428", "title": "Denial-of-Service in gRPC", "description": "There exists an vulnerability causing an abort() to be called in gRPC. \nThe following headers cause gRPC's C++ implementation to abort() when called via http2:\n\nte: x (x != trailers)\n\n:scheme: x (x != http, https)\n\ngrpclb_client_stats: x (x == anything)\n\nOn top of sending one of those headers, a later header must be sent that gets the total header size past 8KB. We recommend upgrading past git commit 2485fa94bd8a723e5c977d55a3ce10b301b437f8 or v1.53 and above.\n\n", "references": ["https://github.com/grpc/grpc/commit/2485fa94bd8a723e5c977d55a3ce10b301b437f8", "https://nvd.nist.gov/vuln/detail/CVE-2023-1428"], "fixes": ["1.53.0"], "products": [{"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}]}, {"id": "CVE-2017-8359", "noindex": false, "published": "2017-04-30T17:00:00.000Z", "modified": "2024-08-05T16:34:22.724Z", "cvss": 9.8, "cvss_vector": "", "severity": "critical", "epss": 0.03077, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2017-8359", "title": "CVE-2017-8359", "description": "Google gRPC before 2017-03-29 has an out-of-bounds write caused by a heap-based use-after-free related to the grpc_call_destroy function in core/lib/surface/call.c.", "references": ["https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=726", "http://www.securityfocus.com/bid/98280", "https://github.com/grpc/grpc/pull/10353"], "fixes": ["1.3.0"], "products": [{"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}]}], "total": 6, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "grpcio", "path": "vulns/pypi/grpcio", "ecosystem": "PyPI"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-01-12T15:34:12.725Z", "early_advisories": [], "license": "Vous pouvez librement utiliser la sélection de PatchFirst et nos ajouts (priorités, alertes précoces, textes, synthèses et agrégats) pour vos propres besoins, y compris les activités internes de votre entreprise. La revente, la distribution commerciale et la mise en miroir massive de cette sélection ou de ces ajouts nécessitent un accord écrit avec l’opérateur. Lors de toute utilisation ou publication de la sélection ou de nos ajouts, citez PatchFirst (https://patchfirst.dev/vulns/) avec ce lien vers la page du flux de votre région. Les enregistrements originaux des sources ouvertes restent soumis à leurs licences et conditions respectives. Ces conditions ne limitent pas vos droits sur les données originales, que vous pouvez obtenir directement auprès de ces sources.", "terms_url": "https://patchfirst.dev/fr/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "PatchFirst sélectionne, normalise et combine les enregistrements ; des synthèses et des traductions peuvent être ajoutées. Les actualités sont accompagnées d’un lien vers la source originale dans chaque entrée.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Les licences des bases d’origine varient ; voir le catalogue des sources."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Évaluations publiques gratuites ; mention de la source demandée (FIRST EPSS, évaluations produites par Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. 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