High
yasr — security advisory
Yasr 0.6.9-5 contains a buffer overflow vulnerability that allows local attackers to crash the application or execute arbitrary code by supplying an oversized argument to the -p parameter. Attackers can invoke yasr with a crafted payload containing junk data, shellcode, and a return address to overwrite the stack and trigger code execution.
- Products
- yasr
- Affected versions
- 0.6.9-10, 0.6.9-11, 0.6.9-12, 0.6.9-12build1, 0.6.9-5, 0.6.9-6, 0.6.9-8, 0.6.9-9
- Fixed versions
- Not specified
- CVEs
- CVE-2016-20041
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:18 UTC · Revision 1
Source evidence
Yasr 0.6.9-5 contains a buffer overflow vulnerability that allows local attackers to crash the application or execute arbitrary code by supplying an oversized argument to the -p parameter. Attackers can invoke yasr with a crafted payload containing junk data, shellcode, and a return address to overwrite the stack and trigger code execution.
osv:UBUNTU-CVE-2016-20041
yasr
Fixed versions: Not specified
yasr
Fixed versions: Not specified
yasr
Fixed versions: Not specified
yasr
Fixed versions: Not specified
yasr
Fixed versions: Not specified
yasr
Fixed versions: Not specified
yasr
Fixed versions: Not specified
yasr
Fixed versions: Not specified
Complete source record
{
"id": "5022dff38cbda4840ce3e5df792320c2f9f2bcaa8cdb83648ec4c5585f77d5c0",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2016-20041",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2016-20041",
"summary": "Yasr 0.6.9-5 contains a buffer overflow vulnerability that allows local attackers to crash the application or execute arbitrary code by supplying an oversized argument to the -p parameter. Attackers can invoke yasr with a crafted payload containing junk data, shellcode, and a return address to overwrite the stack and trigger code execution.",
"evidence": "osv:UBUNTU-CVE-2016-20041",
"products": [
{
"name": {
"value": "yasr",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.6.9-5",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "yasr",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.6.9-6",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "yasr",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.6.9-8",
"evidence": "/affected/2/versions"
},
{
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"evidence": "/affected/2/versions"
}
]
},
{
"name": {
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},
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{
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"evidence": "/affected/3/versions"
}
]
},
{
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},
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"affected_versions": [
{
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"evidence": "/affected/4/versions"
}
]
},
{
"name": {
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"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.6.9-11",
"evidence": "/affected/5/versions"
},
{
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"evidence": "/affected/5/versions"
}
]
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "0.6.9-12build1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "yasr",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.6.9-12",
"evidence": "/affected/7/versions"
},
{
"value": "0.6.9-12build1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2016-20041",
"aliases": [
"UBUNTU-CVE-2016-20041"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "yasr",
"purl": "pkg:deb/ubuntu/yasr?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"0.6.9-5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yasr",
"binary_version": "0.6.9-5"
}
]
}
},
{
"ranges": [
{
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}
],
"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"0.6.9-6"
],
"database_specific": {
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},
"ecosystem_specific": {
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}
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}
},
{
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],
"package": {
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"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"0.6.9-8",
"0.6.9-9"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yasr",
"binary_version": "0.6.9-9"
}
]
}
},
{
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{
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}
],
"package": {
"name": "yasr",
"purl": "pkg:deb/ubuntu/yasr?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"0.6.9-10"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"
},
"ecosystem_specific": {
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{
"binary_name": "yasr",
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}
]
}
},
{
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"package": {
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"ecosystem": "Ubuntu:24.04:LTS"
},
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"0.6.9-11"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"
},
"ecosystem_specific": {
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"binary_name": "yasr",
"binary_version": "0.6.9-11"
}
]
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},
{
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"package": {
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"ecosystem": "Ubuntu:25.10"
},
"versions": [
"0.6.9-11",
"0.6.9-12"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"
},
"ecosystem_specific": {
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"binary_version": "0.6.9-12"
}
]
}
},
{
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"package": {
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"purl": "pkg:deb/ubuntu/yasr?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"0.6.9-12build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yasr",
"binary_version": "0.6.9-12build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "yasr",
"purl": "pkg:deb/ubuntu/yasr?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"0.6.9-12",
"0.6.9-12build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yasr",
"binary_version": "0.6.9-12build1"
}
]
}
}
],
"modified": "2026-10-17T12:52:32.663414110Z",
"provider": "osv",
"upstream": [
"CVE-2016-20041"
],
"references": [
"https://ubuntu.com/security/CVE-2016-20041",
"https://www.cve.org/CVERecord?id=CVE-2016-20041",
"https://www.exploit-db.com/exploits/39734",
"https://www.vulncheck.com/advisories/yasr-5-buffer-overflow-via-command-line-parameter"
]
},
"related_cves": [
{
"value": "CVE-2016-20041",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 353214,
"published_at": "2026-03-28T12:15:00+00:00"
}