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17 vulnerabilities found for cpp-httplib by yhirose

FKIE_CVE-2025-53629

Vulnerability from fkie_nvd - Published: 2025-07-10 20:15 - Updated: 2025-08-06 18:09
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.23.0, incoming requests using Transfer-Encoding: chunked in the header can allocate memory arbitrarily in the server, potentially leading to its exhaustion. This vulnerability is fixed in 0.23.0. NOTE: This vulnerability is related to CVE-2025-53628.
References
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/commit/17ba303889b8d4d719be3879a70639ab653efb99Patch
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pwNot Applicable
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6wExploit, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6wExploit, Vendor Advisory
Impacted products
Vendor Product Version
yhirose cpp-httplib *
To clipboard 

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  "id": "CVE-2025-53629",
  "lastModified": "2025-08-06T18:09:49.790",
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FKIE_CVE-2025-53628

Vulnerability from fkie_nvd - Published: 2025-07-10 20:15 - Updated: 2025-08-06 18:08
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.20.1, cpp-httplib does not have a limit for a unique line, permitting an attacker to explore this to allocate memory arbitrarily. This vulnerability is fixed in 0.20.1. NOTE: This vulnerability is related to CVE-2025-53629.
References
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/commit/7b752106ac42bd5b907793950d9125a0972c8e8ePatch
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pwVendor Advisory, Exploit
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6wNot Applicable
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pwVendor Advisory, Exploit
Impacted products
Vendor Product Version
yhirose cpp-httplib *
To clipboard 

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  "id": "CVE-2025-53628",
  "lastModified": "2025-08-06T18:08:15.360",
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FKIE_CVE-2025-52887

Vulnerability from fkie_nvd - Published: 2025-06-26 15:15 - Updated: 2025-08-06 19:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. In version 0.21.0, when many http headers fields are passed in, the library does not limit the number of headers, and the memory associated with the headers will not be released when the connection is disconnected. This leads to potential exhaustion of system memory and results in a server crash or unresponsiveness. Version 0.22.0 contains a patch for the issue.
References
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/commit/28dcf379e82a2cdb544d812696a7fd46067eb7f9Patch
security-advisories@github.comhttps://github.com/yhirose/cpp-httplib/security/advisories/GHSA-xjhg-gf59-p92hExploit, Vendor Advisory
Impacted products
Vendor Product Version
yhirose cpp-httplib 0.21.0
To clipboard 

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FKIE_CVE-2025-0825

Vulnerability from fkie_nvd - Published: 2025-02-04 15:15 - Updated: 2025-08-04 15:06
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters ("\r\n") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting, XSS, and more.
References
596c5446-0ce5-4ba2-aa66-48b3b757a647https://advisory.checkmarx.net/advisory/CVE-2025-0825/Exploit, Third Party Advisory
596c5446-0ce5-4ba2-aa66-48b3b757a647https://github.com/yhirose/cpp-httplib/commit/9c36aae4b73e2b6e493f4133e4173103c9266289Patch
Impacted products
Vendor Product Version
yhirose cpp-httplib *
To clipboard 

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  "id": "CVE-2025-0825",
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}

FKIE_CVE-2020-11709

Vulnerability from fkie_nvd - Published: 2020-04-12 14:15 - Updated: 2025-08-05 20:28
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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.
References
cve@mitre.orghttps://gist.github.com/shouc/a9330df817128bc4c4132abf3de09495Exploit, Third Party Advisory
cve@mitre.orghttps://github.com/yhirose/cpp-httplib/issues/425Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/shouc/a9330df817128bc4c4132abf3de09495Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/yhirose/cpp-httplib/issues/425Exploit, Third Party Advisory
Impacted products
Vendor Product Version
yhirose cpp-httplib *
To clipboard 

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CVE-2025-53629 (GCVE-0-2025-53629)

Vulnerability from cvelistv5 – Published: 2025-07-10 19:46 – Updated: 2025-07-10 20:19
VLAI?
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.23.0, incoming requests using Transfer-Encoding: chunked in the header can allocate memory arbitrarily in the server, potentially leading to its exhaustion. This vulnerability is fixed in 0.23.0. NOTE: This vulnerability is related to CVE-2025-53628.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: < 0.23.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-53628 (GCVE-0-2025-53628)

Vulnerability from cvelistv5 – Published: 2025-07-10 19:45 – Updated: 2025-07-10 20:26
VLAI?
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.20.1, cpp-httplib does not have a limit for a unique line, permitting an attacker to explore this to allocate memory arbitrarily. This vulnerability is fixed in 0.20.1. NOTE: This vulnerability is related to CVE-2025-53629.
Severity ?
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: < 0.20.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-52887 (GCVE-0-2025-52887)

Vulnerability from cvelistv5 – Published: 2025-06-26 14:31 – Updated: 2025-06-26 14:46
VLAI?
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. In version 0.21.0, when many http headers fields are passed in, the library does not limit the number of headers, and the memory associated with the headers will not be released when the connection is disconnected. This leads to potential exhaustion of system memory and results in a server crash or unresponsiveness. Version 0.22.0 contains a patch for the issue.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: = 0.21.0
Create a notification for this product.
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CVE-2025-46728 (GCVE-0-2025-46728)

Vulnerability from cvelistv5 – Published: 2025-05-06 00:45 – Updated: 2025-05-06 02:43
VLAI?
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)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: < 0.20.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-0825 (GCVE-0-2025-0825)

Vulnerability from cvelistv5 – Published: 2025-02-04 14:11 – Updated: 2025-05-23 12:50
VLAI?
Summary
cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters ("\r\n") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting, XSS, and more.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Assigner
References
Impacted products
Vendor Product Version
Affected: v0.17.3 , ≤ v0.18.3 (git)
Credits
Ori Ron from Cx Security Research Group
Show details on NVD website
To clipboard 

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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
Show details on NVD website
To clipboard 

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CVE-2025-53629 (GCVE-0-2025-53629)

Vulnerability from nvd – Published: 2025-07-10 19:46 – Updated: 2025-07-10 20:19
VLAI?
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.23.0, incoming requests using Transfer-Encoding: chunked in the header can allocate memory arbitrarily in the server, potentially leading to its exhaustion. This vulnerability is fixed in 0.23.0. NOTE: This vulnerability is related to CVE-2025-53628.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: < 0.23.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-53628 (GCVE-0-2025-53628)

Vulnerability from nvd – Published: 2025-07-10 19:45 – Updated: 2025-07-10 20:26
VLAI?
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.20.1, cpp-httplib does not have a limit for a unique line, permitting an attacker to explore this to allocate memory arbitrarily. This vulnerability is fixed in 0.20.1. NOTE: This vulnerability is related to CVE-2025-53629.
Severity ?
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: < 0.20.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-52887 (GCVE-0-2025-52887)

Vulnerability from nvd – Published: 2025-06-26 14:31 – Updated: 2025-06-26 14:46
VLAI?
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. In version 0.21.0, when many http headers fields are passed in, the library does not limit the number of headers, and the memory associated with the headers will not be released when the connection is disconnected. This leads to potential exhaustion of system memory and results in a server crash or unresponsiveness. Version 0.22.0 contains a patch for the issue.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: = 0.21.0
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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?
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)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
yhirose cpp-httplib Affected: < 0.20.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-0825 (GCVE-0-2025-0825)

Vulnerability from nvd – Published: 2025-02-04 14:11 – Updated: 2025-05-23 12:50
VLAI?
Summary
cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters ("\r\n") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting, XSS, and more.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Assigner
References
Impacted products
Vendor Product Version
Affected: v0.17.3 , ≤ v0.18.3 (git)
Credits
Ori Ron from Cx Security Research Group
Show details on NVD website
To clipboard 

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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
Show details on NVD website
To clipboard 

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    "datePublished": "2020-04-12T13:30:29",
    "dateReserved": "2020-04-12T00:00:00",
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