crowcpp vulnerabilities

Products

• crowcpp/crow 7

Latest crowcpp CVEs

Newest publication first

1. CVE-2026-116011 Crow before 1.3.4 Denial of Service via Deeply Nested JSON in crow::json::load()

   Published 2026-10-24

   High·CVSS 8.7 EPSS 0.68%

   Crow before 1.3.4 contains an uncontrolled recursion vulnerability in crow::json::load() that allows remote unauthenticated attackers to crash the server by sending deeply nested JSON. Attackers can send a request body with thousands of nested objects to exhaust the worker thread...

2. CVE-2023-26142 All versions of the package crow are vulnerable to HTTP Response Splitting when untrusted user input is used to build header values. Header values are not properly sanitized against CRLF Injection in....

   Published 2023-09-12

   Medium·CVSS 6.1 EPSS 0.56%

   All versions of the package crow are vulnerable to HTTP Response Splitting when untrusted user input is used to build header values. Header values are not properly sanitized against CRLF Injection in the set_header and add_header functions. An attacker can add the \r\n (carriage...

3. CVE-2022-38667 HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Conne...

   Published 2022-08-22

   Critical·CVSS 9.8 EPSS 3.2%

   HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is...

4. CVE-2022-38668 HTTP applications (servers) based on Crow through 1.0+4 may reveal potentially sensitive uninitialized data from stack memory when fulfilling a request for a static file smaller than 16 KB.

   Published 2022-08-22

   High·CVSS 7.5 EPSS 1.5%

   HTTP applications (servers) based on Crow through 1.0+4 may reveal potentially sensitive uninitialized data from stack memory when fulfilling a request for a static file smaller than 16 KB.

5. CVE-2022-34970 Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the...

   Published 2022-08-04

   Critical·CVSS 9.8 EPSS 4.0%

   Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.

6. CVE-2021-23824 Content Injection

   Published 2022-01-13

   Medium·CVSS 6.1 EPSS 0.95%

   This affects the package Crow before 0.3+4. When using attributes without quotes in the template, an attacker can manipulate the input to introduce additional attributes, potentially executing code. This may lead to a Cross-site Scripting (XSS) vulnerability, assuming an attacker...

7. CVE-2021-23514 Path Traversal

   Published 2022-01-13

   High·CVSS 7.5 EPSS 1.6%

   This affects the package Crow before 0.3+4. It is possible to traverse directories to fetch arbitrary files from the server.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.