Search criteria
14 vulnerabilities found for libhtp by OISF
CVE-2025-53537 (GCVE-0-2025-53537)
Vulnerability from nvd – Published: 2025-07-23 20:35 – Updated: 2025-07-23 20:48
VLAI?
Title
LibHTP's memory leak with lzma can lead to resource starvation
Summary
LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 and below, there is a traffic-induced memory leak that can starve the process of memory, leading to loss of visibility. To workaround this issue, set `suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled` to false. This issue is fixed in version 0.5.51.
Severity ?
7.5 (High)
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
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|---|---|---|---|---|---|---|---|---|
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CVE-2024-45797 (GCVE-0-2024-45797)
Vulnerability from nvd – Published: 2024-10-16 18:45 – Updated: 2025-11-03 18:08
VLAI?
Title
LibHTP's unbounded header handling leads to denial service
Summary
LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Prior to version 0.5.49, unbounded processing of HTTP request and response headers can lead to excessive CPU time and memory utilization, possibly leading to extreme slowdowns. This issue is addressed in 0.5.49.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
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CVE-2024-28871 (GCVE-0-2024-28871)
Vulnerability from nvd – Published: 2024-04-04 14:46 – Updated: 2024-08-26 20:45
VLAI?
Title
Excessive CPU used on malformed traffic
Summary
LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
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CVE-2024-23837 (GCVE-0-2024-23837)
Vulnerability from nvd – Published: 2024-02-26 16:17 – Updated: 2025-11-03 18:08
VLAI?
Title
LibHTP unbounded folded header handling leads to denial service
Summary
LibHTP is a security-aware parser for the HTTP protocol. Crafted traffic can cause excessive processing time of HTTP headers, leading to denial of service. This issue is addressed in 0.5.46.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
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CVE-2019-17420 (GCVE-0-2019-17420)
Vulnerability from nvd – Published: 2019-10-09 23:29 – Updated: 2024-08-05 01:40
VLAI?
Summary
In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2018-10243 (GCVE-0-2018-10243)
Vulnerability from nvd – Published: 2019-04-04 15:10 – Updated: 2024-08-05 07:32
VLAI?
Summary
htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26 allows remote attackers to cause a heap-based buffer over-read via an authorization digest header.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2015-0928 (GCVE-0-2015-0928)
Vulnerability from nvd – Published: 2017-08-28 15:00 – Updated: 2024-08-06 04:26
VLAI?
Summary
libhtp 0.5.15 allows remote attackers to cause a denial of service (NULL pointer dereference).
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-53537 (GCVE-0-2025-53537)
Vulnerability from cvelistv5 – Published: 2025-07-23 20:35 – Updated: 2025-07-23 20:48
VLAI?
Title
LibHTP's memory leak with lzma can lead to resource starvation
Summary
LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 and below, there is a traffic-induced memory leak that can starve the process of memory, leading to loss of visibility. To workaround this issue, set `suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled` to false. This issue is fixed in version 0.5.51.
Severity ?
7.5 (High)
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-45797 (GCVE-0-2024-45797)
Vulnerability from cvelistv5 – Published: 2024-10-16 18:45 – Updated: 2025-11-03 18:08
VLAI?
Title
LibHTP's unbounded header handling leads to denial service
Summary
LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Prior to version 0.5.49, unbounded processing of HTTP request and response headers can lead to excessive CPU time and memory utilization, possibly leading to extreme slowdowns. This issue is addressed in 0.5.49.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-28871 (GCVE-0-2024-28871)
Vulnerability from cvelistv5 – Published: 2024-04-04 14:46 – Updated: 2024-08-26 20:45
VLAI?
Title
Excessive CPU used on malformed traffic
Summary
LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
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CVE-2024-23837 (GCVE-0-2024-23837)
Vulnerability from cvelistv5 – Published: 2024-02-26 16:17 – Updated: 2025-11-03 18:08
VLAI?
Title
LibHTP unbounded folded header handling leads to denial service
Summary
LibHTP is a security-aware parser for the HTTP protocol. Crafted traffic can cause excessive processing time of HTTP headers, leading to denial of service. This issue is addressed in 0.5.46.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
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CVE-2019-17420 (GCVE-0-2019-17420)
Vulnerability from cvelistv5 – Published: 2019-10-09 23:29 – Updated: 2024-08-05 01:40
VLAI?
Summary
In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2018-10243 (GCVE-0-2018-10243)
Vulnerability from cvelistv5 – Published: 2019-04-04 15:10 – Updated: 2024-08-05 07:32
VLAI?
Summary
htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26 allows remote attackers to cause a heap-based buffer over-read via an authorization digest header.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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CVE-2015-0928 (GCVE-0-2015-0928)
Vulnerability from cvelistv5 – Published: 2017-08-28 15:00 – Updated: 2024-08-06 04:26
VLAI?
Summary
libhtp 0.5.15 allows remote attackers to cause a denial of service (NULL pointer dereference).
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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