Falhas do tipo CWE-400

3.447 resultados

Consumo não controlado de recursos

A aplicação não limita adequadamente o consumo de recursos (memória, CPU, conexões, disco) em resposta a requisições ou eventos, permitindo que um atacante esgote os recursos disponíveis. Resultado: negação de serviço, travamento ou crash da aplicação.

Exemplo

Um servidor web que aceita uploads sem limite de tamanho permite que um atacante envie um arquivo gigante, preenchendo o disco e derrubando o serviço. Outro cenário: aceitar conexões TCP indefinidamente sem timeout, até esgotar o número máximo de sockets do sistema operacional.

Como mitigar

Implemente limites explícitos: tamanho máximo de requisição/arquivo, timeout de conexão, limite de memória por processo, rate limiting. Use filas com capacidade máxima e rejeite requisições excedentes com mensagem de erro clara (HTTP 429, por exemplo).

CVE-2018-13296HIGHUncontrolled resource consumption vulnerability in TLS configuration in Synology MailPlus Server before 2.0.5-0606 allows remote attackers tEPSS 1.8%CVE-2026-26171HIGH.NET Denial of Service VulnerabilityEPSS 1.8%CVE-2025-13836MEDIUMExcessive read buffering DoS in http.clientEPSS 1.7%CVE-2022-3283HIGHA potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions before before 15.2.5, all versions starting from 15.3 beEPSS 1.7%CVE-2024-33655HIGHThe DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS quEPSS 1.7%CVE-2021-41115MEDIUMRegular expression denial-of-service in ZulipEPSS 1.7%CVE-2018-3739—https-proxy-agent before 2.1.1 passes auth option to the Buffer constructor without proper sanitization, resulting in DoS and uninitialized EPSS 1.7%CVE-2017-16114—The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characEPSS 1.7%CVE-2019-19300HIGHA vulnerability has been identified in Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200, Development/Evaluation Kits for PROFINET IEPSS 1.7%CVE-2022-31018HIGHDenial of service binding form from JSON in Play FrameworkEPSS 1.7%CVE-2022-31173HIGHJuniper is vulnerable to @DOS GraphQL Nested Fragments overflowEPSS 1.7%CVE-2018-16491—A prototype pollution vulnerability was found in node.extend <1.1.7, ~<2.0.1 that allows an attacker to inject arbitrary properties onto ObjEPSS 1.7%CVE-2019-18336HIGHA vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIEPSS 1.7%CVE-2023-22796—A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore meEPSS 1.7%CVE-2020-8237—Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.EPSS 1.7%CVE-2019-0031HIGHJunos OS: jdhcpd daemon memory consumption Denial of Service when receiving specific IPv6 DHCP packets.EPSS 1.7%CVE-2019-13940MEDIUMA vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (AEPSS 1.7%CVE-2024-23952MEDIUMApache Superset: Allows for uncontrolled resource consumption via a ZIP bomb (version range fix for CVE-2023-46104)EPSS 1.7%CVE-2023-22792HIGHA regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1. Specially crafted cookies, in combination EPSS 1.7%CVE-2021-20237—An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remoEPSS 1.7%