Medium
tika — security advisory
In Apache Tika 0.9 to 1.18, in a rare edge case where a user does not specify an extract directory on the commandline (--extract-dir=) and the input file has an embedded file with an absolute path, such as "C:/evil.bat", tika-app would overwrite that file.
- Products
- tika
- Affected versions
- 1.22-2, 1.5-2, 1.5-3, 1.5-4, 1.5-4ubuntu0.1, 1.5-5
- Fixed versions
- Not specified
- CVEs
- CVE-2018-11762
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:25 UTC · Revision 1
Source evidence
In Apache Tika 0.9 to 1.18, in a rare edge case where a user does not specify an extract directory on the commandline (--extract-dir=) and the input file has an embedded file with an absolute path, such as "C:/evil.bat", tika-app would overwrite that file.
osv:UBUNTU-CVE-2018-11762
tika
Fixed versions: Not specified
tika
Fixed versions: Not specified
tika
Fixed versions: Not specified
tika
Fixed versions: Not specified
tika
Fixed versions: Not specified
Complete source record
{
"id": "546c9a1d75f03d7b7162b4fb90e2973149253b5be8fdb6d166a668b14908c3df",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2018-11762",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2018-11762",
"summary": "In Apache Tika 0.9 to 1.18, in a rare edge case where a user does not specify an extract directory on the commandline (--extract-dir=) and the input file has an embedded file with an absolute path, such as \"C:/evil.bat\", tika-app would overwrite that file.",
"evidence": "osv:UBUNTU-CVE-2018-11762",
"products": [
{
"name": {
"value": "tika",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.5-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.5-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.5-4",
"evidence": "/affected/0/versions"
},
{
"value": "1.5-4ubuntu0.1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
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"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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},
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"affected_versions": [
{
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},
{
"name": {
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},
{
"name": {
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"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
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"evidence": "/affected/4/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2018-11762",
"aliases": [
"UBUNTU-CVE-2018-11762"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
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],
"package": {
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"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
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"1.5-3",
"1.5-4",
"1.5-4ubuntu0.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11762.json"
},
"ecosystem_specific": {
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},
{
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
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],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11762.json"
},
"ecosystem_specific": {
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{
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]
}
},
{
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"package": {
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"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.22-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11762.json"
},
"ecosystem_specific": {
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},
{
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"ecosystem": "Ubuntu:26.10"
},
"versions": [
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],
"database_specific": {
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},
"ecosystem_specific": {
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}
},
{
"ranges": [
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],
"package": {
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"purl": "pkg:deb/ubuntu/tika?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
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],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11762.json"
},
"ecosystem_specific": {
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{
"binary_name": "libtika-java",
"binary_version": "1.22-2"
}
]
}
}
],
"modified": "2026-10-17T12:54:45.718007573Z",
"provider": "osv",
"upstream": [
"CVE-2018-11762"
],
"references": [
"https://ubuntu.com/security/CVE-2018-11762",
"https://www.openwall.com/lists/oss-security/2018/09/19/5",
"https://lists.apache.org/thread.html/ab2e1af38975f5fc462ba89b517971ef892ec3d06bee12ea2258895b@%3Cdev.tika.apache.org%3E",
"https://www.cve.org/CVERecord?id=CVE-2018-11762"
]
},
"related_cves": [
{
"value": "CVE-2018-11762",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353548,
"published_at": "2018-09-19T14:29:00+00:00"
}