sharutils — security advisory
Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow vulnerability in Affected component on the file unshar.c at line 75, function looks_like_c_code. Failure to perform checking of the buffer containing input line. that can result in Could lead to code execution. This attack appear to be exploitable via Victim have to run unshar command on a specially crafted file..
- Products
- sharutils
- Affected versions
- Not specified
- Fixed versions
- 1:4.15.2-3
- CVEs
- CVE-2018-1000097
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 01:32 UTC · Revision 1
Source evidence
Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow vulnerability in Affected component on the file unshar.c at line 75, function looks_like_c_code. Failure to perform checking of the buffer containing input line. that can result in Could lead to code execution. This attack appear to be exploitable via Victim have to run unshar command on a specially crafted file..
osv:DEBIAN-CVE-2018-1000097
sharutils
Fixed versions: 1:4.15.2-3
sharutils
Fixed versions: 1:4.15.2-3
sharutils
Fixed versions: 1:4.15.2-3
Complete source record
{
"id": "98cc0e2dcd17e757aac677ff8d738b3415aa264f334b6bcb1c00c6f9a842bb16",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000097",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-1000097",
"summary": "Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow vulnerability in Affected component on the file unshar.c at line 75, function looks_like_c_code. Failure to perform checking of the buffer containing input line. that can result in Could lead to code execution. This attack appear to be exploitable via Victim have to run unshar command on a specially crafted file..",
"evidence": "osv:DEBIAN-CVE-2018-1000097",
"products": [
{
"name": {
"value": "sharutils",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.15.2-3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "sharutils",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.15.2-3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "sharutils",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.15.2-3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2018-1000097",
"aliases": [
"DEBIAN-CVE-2018-1000097"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.15.2-3"
}
]
}
],
"package": {
"name": "sharutils",
"purl": "pkg:deb/debian/sharutils?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000097.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.15.2-3"
}
]
}
],
"package": {
"name": "sharutils",
"purl": "pkg:deb/debian/sharutils?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000097.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.15.2-3"
}
]
}
],
"package": {
"name": "sharutils",
"purl": "pkg:deb/debian/sharutils?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000097.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:04:46.801155846Z",
"provider": "osv",
"upstream": [
"CVE-2018-1000097"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-1000097"
]
},
"related_cves": [
{
"value": "CVE-2018-1000097",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 423717,
"published_at": "2018-03-13T01:29:00.967+00:00"
}