undici: Undici: Denial of Service due to uncontrolled resource consumption

A flaw was found in Undici. When the interceptors.deduplicate feature is enabled, response data for deduplicated requests can accumulate in memory. A remote attacker, by sending large or chunked responses and concurrent identical requests from an untrusted endpoint, can exploit this uncontrolled...

cpython: Excessive read buffering DoS in http.client

A flaw was found in the http.client module in the Python standard library. When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This issue allows a malicious server to cause the client to read large amounts of data into...

SUSE CVE-2026-2581

This is an uncontrolled resource consumption vulnerability CWE-400 that can lead to Denial of Service DoS. In vulnerable Undici versions, when interceptors.deduplicate is enabled, response data for deduplicated requests could be accumulated in memory for downstream handlers. An attacker-controlle...

net/textproto: Excessive CPU consumption in Reader.ReadResponse in net/textproto

The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption...

undici: Undici: Denial of Service due to uncontrolled resource consumption

A flaw was found in Undici. When the interceptors.deduplicate feature is enabled, response data for deduplicated requests can accumulate in memory. A remote attacker, by sending large or chunked responses and concurrent identical requests from an untrusted endpoint, can exploit this uncontrolled...

net/textproto: Excessive CPU consumption in Reader.ReadResponse in net/textproto

The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption...

Memory Allocation with Excessive Size Value

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the integration action endpoints. An attacker can exhaust server memory and disrupt service...

GHSA-PHC3-FGPG-7M6H Undici has Unbounded Memory Consumption in its DeduplicationHandler via Response Buffering that leads to DoS

Impact This is an uncontrolled resource consumption vulnerability CWE-400 that can lead to Denial of Service DoS. In vulnerable Undici versions, when interceptors.deduplicate is enabled, response data for deduplicated requests could be accumulated in memory for downstream handlers. An...

Linux Distros Unpatched Vulnerability : CVE-2026-2581

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - This is an uncontrolled resource consumption vulnerability CWE-400 that can lead to Denial of Service DoS. In vulnerable Undici versions, when...

CVE-2026-2581

A flaw was found in Undici. When the interceptors.deduplicate feature is enabled, response data for deduplicated requests can accumulate in memory. A remote attacker, by sending large or chunked responses and concurrent identical requests from an untrusted endpoint, can exploit this uncontrolled...

UBUNTU-CVE-2026-2581

This is an uncontrolled resource consumption vulnerability CWE-400 that can lead to Denial of Service DoS. In vulnerable Undici versions, when interceptors.deduplicate is enabled, response data for deduplicated requests could be accumulated in memory for downstream handlers. An attacker-controlle...

CVE-2026-2581

This is an uncontrolled resource consumption vulnerability CWE-400 that can lead to Denial of Service DoS. In vulnerable Undici versions, when interceptors.deduplicate is enabled, response data for deduplicated requests could be accumulated in memory for downstream handlers. An attacker-controlle...

PT-2026-25067

Name of the Vulnerable Software and Affected Versions Undici versions prior to 7.24.0 Description This is an uncontrolled resource consumption issue that can lead to a Denial of Service DoS. When the interceptors.deduplicate function is enabled in vulnerable versions, response data for deduplicat...

CVE-2026-27887

Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size e.g. tables with many rows or large content bodies, Spin may in so...

CVE-2026-27887 Spin has memory leaks in various WIT interfaces

Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size e.g. tables with many rows or large content bodies, Spin may in so...

CVE-2026-27887

Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size e.g. tables with many rows or large content bodies, Spin may in so...

CVE-2026-27887

CVE-2026-27887 affects Spin and related components where buffering an entire response from a database or HTTP server can exhaust host memory, causing panics/crashes. The issue arises when a guest app inserts large numbers of rows or large content bodies and Spin buffers the full response before d...

CVE-2026-27887 Spin has memory leaks in various WIT interfaces

Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size e.g. tables with many rows or large content bodies, Spin may in so...

PT-2026-22073

Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size e.g. tables with many rows or large content bodies, Spin may in so...

Denial Of Service (DoS)

Liferay Portal / Liferay DXP is vulnerable to Denial of Service DoS. The vulnerability is due to the ComboServlet not enforcing limits on the number or size of files it combines, which allows a remote attacker to craft malicious URL query strings that generate extremely large responses...