conduit-hyper integrates a conduit application with the hyper server. Prior to version 0.4.2, `conduit-hyper` did not check any limit on a request's length before calling [`hyper::body::to_bytes`]( An attacker could send a malicious request with an abnormally large `Content-Length`, which could lead to a panic if memory allocation failed for that request. In version 0.4.2, `conduit-hyper` sets an internal limit of 128 MiB per request, otherwise returning status 400 ("Bad Request"). This crate is part of the implementation of Rust's [](, but that service is not affected due to its existing cloud infrastructure, which already drops such malicious requests. Even with the new limit in place, `conduit-hyper` is not recommended for production use, nor to directly serve the public Internet.
Published 2022-10-31 19:15:11
Updated 2023-07-11 20:51:45
Source GitHub, Inc.
View at NVD,
Vulnerability category: Input validation

Exploit prediction scoring system (EPSS) score for CVE-2022-39294

Probability of exploitation activity in the next 30 days: 0.09%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 36 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-39294

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
GitHub, Inc.

CWE ids for CVE-2022-39294

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by:
    • (Primary)
    • (Secondary)
  • The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
    Assigned by: (Primary)

References for CVE-2022-39294

Products affected by CVE-2022-39294

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