CriticalFix available
tcpflow — security advisory
An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).
- Products
- tcpflow
- Affected versions
- Not specified
- Fixed versions
- 1.5.0-r0
- CVEs
- CVE-2018-14938
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 21:58 UTC · Revision 1
Source evidence
An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).
osv:ALPINE-CVE-2018-14938
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
tcpflow
Fixed versions: 1.5.0-r0
Complete source record
{
"id": "f1106592b32e06b71b8fc2491dee653d1dc09e4c3e67ed7a8b53367cde3cf940",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-14938",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2018-14938",
"summary": "An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).",
"evidence": "osv:ALPINE-CVE-2018-14938",
"products": [
{
"name": {
"value": "tcpflow",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/12/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpflow",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.0-r0",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "ALPINE-CVE-2018-14938",
"aliases": [
"ALPINE-CVE-2018-14938"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.11"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.12"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.13"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.14"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.15"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.16"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.17"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.18"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.19"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.20"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.21"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.22"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.23"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r0"
}
]
}
],
"package": {
"name": "tcpflow",
"purl": "pkg:apk/alpine/tcpflow?arch=source",
"ecosystem": "Alpine:v3.24"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14938.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-23T17:17:55.219195997Z",
"provider": "osv",
"upstream": [
"CVE-2018-14938"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-14938"
]
},
"related_cves": [
{
"value": "CVE-2018-14938",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415056,
"published_at": "2018-08-05T03:29:00.217+00:00"
}