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6 vulnerabilities found for cpp-httplib by cpp-httplib_project
CVE-2025-46728 (GCVE-0-2025-46728)
Vulnerability from cvelistv5 – Published: 2025-05-06 00:45 – Updated: 2025-05-06 02:43
VLAI
Title
cpp-httplib has Unbounded Memory Allocation in Chunked/No-Length Requests
Summary
cpp-httplib is a C++ header-only HTTP/HTTPS server and client library. Prior to version 0.20.1, the library fails to enforce configured size limits on incoming request bodies when `Transfer-Encoding: chunked` is used or when no `Content-Length` header is provided. A remote attacker can send a chunked request without the terminating zero-length chunk, causing uncontrolled memory allocation on the server. This leads to potential exhaustion of system memory and results in a server crash or unresponsiveness. Version 0.20.1 fixes the issue by enforcing limits during parsing. If the limit is exceeded at any point during reading, the connection is terminated immediately. A short-term workaround through a Reverse Proxy is available. If updating the library immediately is not feasible, deploy a reverse proxy (e.g., Nginx, HAProxy) in front of the `cpp-httplib` application. Configure the proxy to enforce maximum request body size limits, thereby stopping excessively large requests before they reach the vulnerable library code.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/yhirose/cpp-httplib/security/a… | x_refsource_CONFIRM |
| https://github.com/yhirose/cpp-httplib/commit/7b7… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| yhirose | cpp-httplib |
Affected:
< 0.20.1
|
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CVE-2023-26130 (GCVE-0-2023-26130)
Vulnerability from cvelistv5 – Published: 2023-05-30 05:00 – Updated: 2025-02-13 16:44
VLAI
Summary
Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors.
**Note:** This issue is present due to an incomplete fix for [CVE-2020-11709](https://security.snyk.io/vuln/SNYK-UNMANAGED-YHIROSECPPHTTPLIB-2366507).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | yhirose/cpp-httplib |
Affected:
0 , < 0.12.4
(semver)
|
|
| yhirose | cpp-httplib |
Affected:
0 , < 0.12.4
(semver)
cpe:2.3:a:yhirose:cpp-httplib:*:*:*:*:*:*:*:* |
Credits
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CVE-2020-11709 (GCVE-0-2020-11709)
Vulnerability from cvelistv5 – Published: 2020-04-12 13:30 – Updated: 2024-08-04 11:35
VLAI
Summary
cpp-httplib through 0.5.8 does not filter \r\n in parameters passed into the set_redirect and set_header functions, which creates possibilities for CRLF injection and HTTP response splitting in some specific contexts.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/yhirose/cpp-httplib/issues/425 | x_refsource_MISC |
| https://gist.github.com/shouc/a9330df817128bc4c41… | x_refsource_MISC |
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CVE-2025-46728 (GCVE-0-2025-46728)
Vulnerability from nvd – Published: 2025-05-06 00:45 – Updated: 2025-05-06 02:43
VLAI
Title
cpp-httplib has Unbounded Memory Allocation in Chunked/No-Length Requests
Summary
cpp-httplib is a C++ header-only HTTP/HTTPS server and client library. Prior to version 0.20.1, the library fails to enforce configured size limits on incoming request bodies when `Transfer-Encoding: chunked` is used or when no `Content-Length` header is provided. A remote attacker can send a chunked request without the terminating zero-length chunk, causing uncontrolled memory allocation on the server. This leads to potential exhaustion of system memory and results in a server crash or unresponsiveness. Version 0.20.1 fixes the issue by enforcing limits during parsing. If the limit is exceeded at any point during reading, the connection is terminated immediately. A short-term workaround through a Reverse Proxy is available. If updating the library immediately is not feasible, deploy a reverse proxy (e.g., Nginx, HAProxy) in front of the `cpp-httplib` application. Configure the proxy to enforce maximum request body size limits, thereby stopping excessively large requests before they reach the vulnerable library code.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/yhirose/cpp-httplib/security/a… | x_refsource_CONFIRM |
| https://github.com/yhirose/cpp-httplib/commit/7b7… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| yhirose | cpp-httplib |
Affected:
< 0.20.1
|
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CVE-2023-26130 (GCVE-0-2023-26130)
Vulnerability from nvd – Published: 2023-05-30 05:00 – Updated: 2025-02-13 16:44
VLAI
Summary
Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors.
**Note:** This issue is present due to an incomplete fix for [CVE-2020-11709](https://security.snyk.io/vuln/SNYK-UNMANAGED-YHIROSECPPHTTPLIB-2366507).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | yhirose/cpp-httplib |
Affected:
0 , < 0.12.4
(semver)
|
|
| yhirose | cpp-httplib |
Affected:
0 , < 0.12.4
(semver)
cpe:2.3:a:yhirose:cpp-httplib:*:*:*:*:*:*:*:* |
Credits
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CVE-2020-11709 (GCVE-0-2020-11709)
Vulnerability from nvd – Published: 2020-04-12 13:30 – Updated: 2024-08-04 11:35
VLAI
Summary
cpp-httplib through 0.5.8 does not filter \r\n in parameters passed into the set_redirect and set_header functions, which creates possibilities for CRLF injection and HTTP response splitting in some specific contexts.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/yhirose/cpp-httplib/issues/425 | x_refsource_MISC |
| https://gist.github.com/shouc/a9330df817128bc4c41… | x_refsource_MISC |
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