Critical
Security advisory
The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-11831
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:43 UTC · Revision 1
Source evidence
The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.
osv:CVE-2019-11831
Complete source record
{
"id": "653e1ef2528133dda0c96ed054c80dff1ecc98cd130d5f0105d4ba3e2088f016",
"url": "https://osv.dev/vulnerability/CVE-2019-11831",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-11831",
"summary": "The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.",
"evidence": "osv:CVE-2019-11831",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2019-11831",
"aliases": [
"CVE-2019-11831",
"DRUPAL-CORE-2019-007",
"GHSA-xv7v-rf6g-xwrc"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/drupal/drupal",
"type": "GIT",
"events": [
{
"introduced": "497914920385b7016ac9c9367e0198530787adf2"
},
{
"fixed": "09a33aa82ad15d5179322199f694f1fa7e6fb3e2"
},
{
"introduced": "9b04d294324d9c76be4b596de4316cb8804e8223"
},
{
"fixed": "9d60ac244d73ffd69d651f52d8642307c22f633a"
},
{
"introduced": "17ba30046ed57677de4feff8d07354890b40efdb"
},
{
"fixed": "553207a347f92dce802d7ea9e4d9602c5b090775"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0"
},
{
"fixed": "7.67"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.6.0"
},
{
"fixed": "8.6.16"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.7.0"
},
{
"fixed": "8.7.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"7.66",
"8.6.15",
"8.7.0",
"7.65",
"8.6.14",
"7.64",
"8.6.12",
"8.6.11",
"8.6.9",
"8.6.8",
"7.61",
"8.6.5",
"8.6.4",
"8.6.3",
"8.6.1",
"8.6.0",
"7.56",
"7.55",
"7.54",
"7.51",
"7.50",
"7.43",
"7.42",
"7.40",
"7.37",
"7.36",
"7.33",
"7.30",
"7.28",
"7.25",
"7.23",
"7.22",
"7.17",
"7.15",
"7.14",
"7.12",
"7.10",
"7.9",
"7.8",
"7.7",
"7.6",
"7.4",
"7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11831.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/joomla/joomla-cms",
"type": "GIT",
"events": [
{
"introduced": "8fdbcb163040ff7b8fd12fb27bbfae76816bdad3"
},
{
"last_affected": "1547f8e76000a22d9befc2551ca9929f5d2d0c56"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.9.3"
},
{
"last_affected": "3.9.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"3.9.5",
"3.9.4",
"3.9.3",
"3.9.5-rc",
"3.9.4-rc"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11831.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/typo3/phar-stream-wrapper",
"type": "GIT",
"events": [
{
"introduced": "369f83042ea2e57d98dd04ce4c7318d008497a29"
},
{
"fixed": "e438b0c78652b33407983eb29d215a1a3f68f6f3"
},
{
"introduced": "072007eb3d2c8864aa7535fe5bd0349b5ba765f6"
},
{
"fixed": "fff6f5e037882f816cd41a9f5ccd8d8f97bfdebf"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:typo3:pharstreamwrapper:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.1.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:typo3:pharstreamwrapper:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.1.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "e438b0c78652b33407983eb29d215a1a3f68f6f3"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v2.1.1"
},
{
"range": [
{
"fixed": "fff6f5e037882f816cd41a9f5ccd8d8f97bfdebf"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v3.1.1"
}
]
}
}
],
"versions": [
"v2.1.0",
"v.2.1.0",
"v3.1.0",
"v2.0.1",
"v3.0.1",
"v2.0.0",
"v3.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11831.json"
}
}
],
"modified": "2026-10-24T10:49:47.754443118Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4/",
"https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1",
"https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1",
"https://lists.debian.org/debian-lts-announce/2019/05/msg00029.html",
"https://typo3.org/security/advisory/typo3-psa-2019-007/",
"https://www.debian.org/security/2019/dsa-4445",
"https://www.drupal.org/sa-core-2019-007",
"https://www.synology.com/security/advisory/Synology_SA_19_22",
"https://seclists.org/bugtraq/2019/May/36"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "28"
},
{
"last_affected": "28"
},
{
"introduced": "29"
},
{
"last_affected": "29"
},
{
"introduced": "30"
},
{
"last_affected": "30"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-11831",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441827,
"published_at": "2019-05-09T04:29:01.1+00:00"
}