CVE-2024-23837 (GCVE-0-2024-23837)
Vulnerability from cvelistv5 – Published: 2024-02-26 16:17 – Updated: 2025-11-03 18:08
VLAI
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
6 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| OISF | libhtp |
Affected:
< 0.5.46
|
|
| oisf | libhtp |
Affected:
0 , < 0.5.46
(custom)
cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:* |
|
| fedoraproject | fedora |
Affected:
38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |
|
| fedoraproject | fedora |
Affected:
39
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* |
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"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m\", \"name\": \"https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}, {\"url\": \"https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a\", \"name\": \"https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://redmine.openinfosecfoundation.org/issues/6444\", \"name\": \"https://redmine.openinfosecfoundation.org/issues/6444\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/09/msg00009.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T18:08:14.608Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-23837\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-08-12T14:54:41.216991Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*\"], \"vendor\": \"oisf\", \"product\": \"libhtp\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"0.5.46\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*\"], \"vendor\": \"fedoraproject\", \"product\": \"fedora\", \"versions\": [{\"status\": \"affected\", \"version\": \"38\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*\"], \"vendor\": \"fedoraproject\", \"product\": \"fedora\", \"versions\": [{\"status\": \"affected\", \"version\": \"39\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-12T14:56:39.920Z\"}}], \"cna\": {\"title\": \"LibHTP unbounded folded header handling leads to denial service\", \"source\": {\"advisory\": \"GHSA-f9wf-rrjj-qx8m\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"OISF\", \"product\": \"libhtp\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 0.5.46\"}]}], \"references\": [{\"url\": \"https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m\", \"name\": \"https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a\", \"name\": \"https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://redmine.openinfosecfoundation.org/issues/6444\", \"name\": \"https://redmine.openinfosecfoundation.org/issues/6444\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"CWE-770: Allocation of Resources Without Limits or Throttling\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2024-03-07T03:06:21.855Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-23837\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T18:08:14.608Z\", \"dateReserved\": \"2024-01-22T22:23:54.340Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2024-02-26T16:17:24.372Z\", \"assignerShortName\": \"GitHub_M\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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