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CWE-770 (不加限制或调节的资源分配) — Vulnerability Class 827

827 vulnerabilities classified as CWE-770 (不加限制或调节的资源分配). AI Chinese analysis included.

CWE-770 represents a critical resource management weakness where software allocates reusable resources, such as memory, file descriptors, or database connections, without enforcing limits or throttling mechanisms. This vulnerability typically arises when applications accept untrusted input or handle high-volume requests, allowing malicious actors to trigger excessive resource consumption. By rapidly requesting numerous resources, attackers can exhaust system capacity, leading to denial-of-service conditions that degrade performance or crash the entire service. To mitigate this risk, developers must implement strict quotas, rate limiting, and connection pooling strategies. Enforcing maximum thresholds for resource allocation ensures that no single user or process can monopolize system assets, thereby maintaining stability and availability even under heavy load or targeted abuse attempts.

MITRE CWE Description
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Common Consequences (1)
AvailabilityDoS: Resource Consumption (CPU), DoS: Resource Consumption (Memory), DoS: Resource Consumption (Other)
When allocating resources without limits, an attacker could prevent other systems, applications, or processes from accessing the same type of resource. It can be easy for an attacker to consume many resources by rapidly making many requests or causing larger resources to be used than is needed.
Mitigations (5)
RequirementsClearly specify the minimum and maximum expectations for capabilities, and dictate which behaviors are acceptable when resource allocation reaches limits.
Architecture and DesignLimit the amount of resources that are accessible to unprivileged users. Set per-user limits for resources. Allow the system administrator to define these limits. Be careful to avoid CWE-410.
Architecture and DesignDesign throttling mechanisms into the system architecture. The best protection is to limit the amount of resources that an unauthorized user can cause to be expended. A strong authentication and access control model will help prevent such attacks from occurring in the first place, and it will help the administrator to identify who is committing the abuse. The login application should be protected …
ImplementationAssume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does. When performing input validation, consider all potentially relevant properties, including length, type of input, the full range…
Architecture and DesignFor any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Examples (2)
This code allocates a socket and forks each time it receives a new connection.
sock=socket(AF_INET, SOCK_STREAM, 0); while (1) { newsock=accept(sock, ...); printf("A connection has been accepted\n"); pid = fork(); }
Bad · C
In the following example a server socket connection is used to accept a request to store data on the local file system using a specified filename. The method openSocketConnection establishes a server socket to accept requests from a client. When a client establishes a connection to this service the getNextMessage method is first used to retrieve from the socket the name of the file to store the da…
int writeDataFromSocketToFile(char *host, int port) { char filename[FILENAME_SIZE]; char buffer[BUFFER_SIZE]; int socket = openSocketConnection(host, port); if (socket < 0) { printf("Unable to open socket connection"); return(FAIL); } if (getNextMessage(socket, filename, FILENAME_SIZE) > 0) { if (openFileToWrite(filename) > 0) { while (getNextMessage(socket, buffer, BUFFER_SIZE) > 0){ if (!(writeToFile(buffer) > 0)) break; } } closeFile(); } closeSocket(socket); }
Bad · C
CVE IDTitleCVSSSeverityPublished
CVE-2025-57710 Qsync Central — Qsync Central 8.6AIHighAI2026-02-11
CVE-2025-57711 Qsync Central — Qsync Central 8.6AIHighAI2026-02-11
CVE-2025-58471 Qsync Central — Qsync Central 8.6AIHighAI2026-02-11
CVE-2025-8099 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 7.5 High2026-02-11
CVE-2026-1387 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 6.5 Medium2026-02-11
CVE-2026-1456 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 6.5 Medium2026-02-11
CVE-2026-1458 Allocation of Resources Without Limits or Throttling in GitLab — GitLab 6.5 Medium2026-02-11
CVE-2021-26381 AMD Ryzen和AMD Athlon 安全漏洞 — AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors 7.8AIHighAI2026-02-10
CVE-2026-1850 An authorized user may disable the MongoDB server by issuing a certain type of complex query due to boolean expression simplification — MongoDB Server 6.5 Medium2026-02-10
CVE-2026-1848 Connections received from the proxy port may not count towards total accepted connections — MongoDB Server 7.5 High2026-02-10
CVE-2026-1847 MongoDB Server may crash when inserting large documents — MongoDB Server 6.5 Medium2026-02-10
CVE-2025-15317 Tanium addressed an uncontrolled resource consumption vulnerability in Tanium Server. — Tanium Server 6.5 Medium2026-02-09
CVE-2025-31990 HCL DevOps Velocity is susceptible to a Denial of Service vulnerability — HCL DevOps Velocity 6.8 Medium2026-02-07
CVE-2025-32393 AutoGPT has a DoS vulnerability in ReadRSSFeedBlock — AutoGPT 6.5AIMediumAI2026-02-05
CVE-2020-37143 ProficySCADA for iOS 5.0.25920 - 'Password' Denial of Service — ProficySCADA for iOS 7.5 High2026-02-05
CVE-2020-37139 Odin Secure FTP Expert 7.6.3 - 'Site Info' Denial of Service — Odin Secure FTP Expert 8.4 High2026-02-05
CVE-2020-37134 UltraVNC Viewer 1.2.4.0 - 'VNCServer' Denial of Service — UltraVNC Viewer 7.5 High2026-02-05
CVE-2025-1823 IBM Jazz Reporting Service Denial of Service — Jazz Reporting Service 3.5 Low2026-02-04
CVE-2024-39724 IBM Db2 Big SQL on Cloud Pak for Data is vulnerable to a denial of service due to lack of throttling on an API — Db2 Big SQL on Cloud Pak for Data 5.3 Medium2026-02-04
CVE-2026-24514 ingress-nginx Admission Controller denial of service — ingress-nginx 6.5 Medium2026-02-03
CVE-2020-37085 VirtualTablet Server 3.0.2 - Denial of Service (PoC) — VirtualTablet Server 7.5 High2026-02-03
CVE-2020-37067 Filetto 1.0 - 'FEAT' Denial of Service — Filetto 9.8 Critical2026-02-03
CVE-2026-25224 Fastify Vulnerable to DoS via Unbounded Memory Allocation in sendWebStream — fastify 3.7 Low2026-02-03
CVE-2026-22780 Rizin has a heap overflow on mach0_chained_fixups.c — rizin 4.4 Medium2026-02-02
CVE-2026-24133 jsPDF Affected by Denial of Service (DoS) via Unvalidated BMP Dimensions in BMPDecoder — jsPDF 6.5AIMediumAI2026-02-02
CVE-2026-20406 MediaTek Chipsets 安全漏洞 — MediaTek chipset 7.5AIHighAI2026-02-02
CVE-2020-37039 Frigate 2.02 - Denial Of Service — Frigate 2 7.5 High2026-01-30
CVE-2020-37038 Code Blocks 20.03 - Denial Of Service — Code::Blocks 7.5 High2026-01-30
CVE-2025-36070 IBM Db2 Denial of Service — Db2 for Linux, UNIX and Windows 6.5 Medium2026-01-30
CVE-2025-36098 IBM Db2 Denial of Service — Db2 for Linux, UNIX and Windows 6.5 Medium2026-01-30

Vulnerabilities classified as CWE-770 (不加限制或调节的资源分配) represent 827 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.