HighFix available
clamav, libmspack — security advisory
An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.
- Products
- clamav, libmspack
- Affected versions
- Not specified
- Fixed versions
- 0.100.2-r0, 0.7.1_alpha-r0
- CVEs
- CVE-2018-14681
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:10 UTC · Revision 1
Source evidence
An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.
osv:ALPINE-CVE-2018-14681
clamav
Fixed versions: 0.100.2-r0
clamav
Fixed versions: 0.100.2-r0
clamav
Fixed versions: 0.100.2-r0
clamav
Fixed versions: 0.100.2-r0
clamav
Fixed versions: 0.100.2-r0
clamav
Fixed versions: 0.100.2-r0
clamav
Fixed versions: 0.100.2-r0
clamav
Fixed versions: 0.100.2-r0
libmspack
Fixed versions: 0.7.1_alpha-r0
libmspack
Fixed versions: 0.7.1_alpha-r0
libmspack
Fixed versions: 0.7.1_alpha-r0
libmspack
Fixed versions: 0.7.1_alpha-r0
libmspack
Fixed versions: 0.7.1_alpha-r0
libmspack
Fixed versions: 0.7.1_alpha-r0
libmspack
Fixed versions: 0.7.1_alpha-r0
Complete source record
{
"id": "9afdbbe0070edd60833c9b71a326dbc31ee21b6fc42b8ec5a61289c97ae3aa18",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-14681",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2018-14681",
"summary": "An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.",
"evidence": "osv:ALPINE-CVE-2018-14681",
"products": [
{
"name": {
"value": "clamav",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.100.2-r0",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmspack",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.7.1_alpha-r0",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmspack",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.7.1_alpha-r0",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmspack",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.7.1_alpha-r0",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmspack",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.7.1_alpha-r0",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmspack",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.7.1_alpha-r0",
"evidence": "/affected/12/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmspack",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.7.1_alpha-r0",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmspack",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.7.1_alpha-r0",
"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2018-14681",
"aliases": [
"ALPINE-CVE-2018-14681"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.10"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.11"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.12"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.13"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.6"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.7"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.8"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.100.2-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.9"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_alpha-r0"
}
]
}
],
"package": {
"name": "libmspack",
"purl": "pkg:apk/alpine/libmspack?arch=source",
"ecosystem": "Alpine:v3.10"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_alpha-r0"
}
]
}
],
"package": {
"name": "libmspack",
"purl": "pkg:apk/alpine/libmspack?arch=source",
"ecosystem": "Alpine:v3.11"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_alpha-r0"
}
]
}
],
"package": {
"name": "libmspack",
"purl": "pkg:apk/alpine/libmspack?arch=source",
"ecosystem": "Alpine:v3.5"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_alpha-r0"
}
]
}
],
"package": {
"name": "libmspack",
"purl": "pkg:apk/alpine/libmspack?arch=source",
"ecosystem": "Alpine:v3.6"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_alpha-r0"
}
]
}
],
"package": {
"name": "libmspack",
"purl": "pkg:apk/alpine/libmspack?arch=source",
"ecosystem": "Alpine:v3.7"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_alpha-r0"
}
]
}
],
"package": {
"name": "libmspack",
"purl": "pkg:apk/alpine/libmspack?arch=source",
"ecosystem": "Alpine:v3.8"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_alpha-r0"
}
]
}
],
"package": {
"name": "libmspack",
"purl": "pkg:apk/alpine/libmspack?arch=source",
"ecosystem": "Alpine:v3.9"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-14681.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-23T17:23:45.561643151Z",
"provider": "osv",
"upstream": [
"CVE-2018-14681"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-14681"
]
},
"related_cves": [
{
"value": "CVE-2018-14681",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415796,
"published_at": "2018-07-28T23:29:00.343+00:00"
}