CVE-2018-1302 (GCVE-0-2018-1302)
Vulnerability from cvelistv5 – Published: 2018-03-26 15:00 – Updated: 2024-09-17 02:41
VLAI
EPSS
VEX
Summary
When an HTTP/2 stream was destroyed after being handled, the Apache HTTP Server prior to version 2.4.30 could have written a NULL pointer potentially to an already freed memory. The memory pools maintained by the server make this vulnerability hard to trigger in usual configurations, the reporter and the team could not reproduce it outside debug builds, so it is classified as low risk.
Severity
5.9 (Medium)
CWE
- Possible write of after free on HTTP/2 stream shutdown
Assigner
References
23 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.17 to 2.4.29
|
Date Public
2018-03-23 00:00
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"cveMetadata": {
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"assignerShortName": "apache",
"cveId": "CVE-2018-1302",
"datePublished": "2018-03-26T15:00:00.000Z",
"dateReserved": "2017-12-07T00:00:00.000Z",
"dateUpdated": "2024-09-17T02:41:36.706Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2018-1302",
"date": "2026-08-04",
"epss": "0.13175",
"percentile": "0.95979"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2018-1302\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2018-03-26T15:29:00.477\",\"lastModified\":\"2024-11-21T03:59:34.710\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When an HTTP/2 stream was destroyed after being handled, the Apache HTTP Server prior to version 2.4.30 could have written a NULL pointer potentially to an already freed memory. The memory pools maintained by the server make this vulnerability hard to trigger in usual configurations, the reporter and the team could not reproduce it outside debug builds, so it is classified as low risk.\"},{\"lang\":\"es\",\"value\":\"Cuando un flujo de datos o stream HTTP/2 se destruye despu\u00e9s de haber sido manipulado, el servidor Apache HTTP en versiones anteriores a la 2.4.30 podr\u00eda escribir un puntero NULL en una memoria ya liberada. 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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-08-04T23:13:14+00:00",
"cve": "CVE-2018-1302",
"id": "CVE-2018-1302",
"initial_release_date": "2018-03-21T00:00:00+00:00",
"product_status:fixed": "139",
"product_status:known_not_affected": "45",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "httpd: Use-after-free on HTTP/2 stream shutdown",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1302.json",
"version": "3"
}
}
}
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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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