symfony — security advisory
The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.
- Products
- symfony
- Affected versions
- Not specified
- Fixed versions
- 3.4.12+dfsg-1
- CVEs
- CVE-2018-11408
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:41 UTC · Revision 1
Source evidence
The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.
osv:DEBIAN-CVE-2018-11408
symfony
Fixed versions: 3.4.12+dfsg-1
symfony
Fixed versions: 3.4.12+dfsg-1
symfony
Fixed versions: 3.4.12+dfsg-1
Complete source record
{
"id": "d9ca07b9a67d4e8b9a4e8c93dd4b496aa0fa264d09d494a05fd42526bbfe48b1",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-11408",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-11408",
"summary": "The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.",
"evidence": "osv:DEBIAN-CVE-2018-11408",
"products": [
{
"name": {
"value": "symfony",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.4.12+dfsg-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "symfony",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.4.12+dfsg-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "symfony",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.4.12+dfsg-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-11408",
"aliases": [
"DEBIAN-CVE-2018-11408"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.12+dfsg-1"
}
]
}
],
"package": {
"name": "symfony",
"purl": "pkg:deb/debian/symfony?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11408.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.12+dfsg-1"
}
]
}
],
"package": {
"name": "symfony",
"purl": "pkg:deb/debian/symfony?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11408.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.12+dfsg-1"
}
]
}
],
"package": {
"name": "symfony",
"purl": "pkg:deb/debian/symfony?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11408.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:36.515149848Z",
"provider": "osv",
"upstream": [
"CVE-2018-11408"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-11408"
]
},
"related_cves": [
{
"value": "CVE-2018-11408",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421975,
"published_at": "2018-06-13T16:29:01.203+00:00"
}