HighFix available
w3m — security advisory
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.
- Products
- w3m
- Affected versions
- Not specified
- Fixed versions
- 0.5.3_git20241203-r0
- CVEs
- CVE-2022-38223
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:17 UTC · Revision 1
Source evidence
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.
osv:ALPINE-CVE-2022-38223
w3m
Fixed versions: 0.5.3_git20241203-r0
Complete source record
{
"id": "4235e5a91efa7d0e50d42a28339c35ef2e66b4fc46cd139e749d50fa6bf91a0e",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2022-38223",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2022-38223",
"summary": "There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.",
"evidence": "osv:ALPINE-CVE-2022-38223",
"products": [
{
"name": {
"value": "w3m",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.5.3_git20241203-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2022-38223",
"aliases": [
"ALPINE-CVE-2022-38223"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.5.3_git20241203-r0"
}
]
}
],
"package": {
"name": "w3m",
"purl": "pkg:apk/alpine/w3m?arch=source",
"ecosystem": "Alpine:v3.23"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-38223.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-15T07:17:54.244172459Z",
"provider": "osv",
"upstream": [
"CVE-2022-38223"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2022-38223"
]
},
"related_cves": [
{
"value": "CVE-2022-38223",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 321943,
"published_at": "2022-08-15T11:21:43.557+00:00"
}