High
Security advisory
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-78132
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 22:33 UTC · Revision 1
Source evidence
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
osv:CVE-2026-78132
Complete source record
{
"id": "6c29a3137d9ca1976cec36ee0f4fe2c3d44710d431a06a009e5c3a00abb27e76",
"url": "https://osv.dev/vulnerability/CVE-2026-78132",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-78132",
"summary": "strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.",
"evidence": "osv:CVE-2026-78132",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-78132",
"aliases": [
"CVE-2026-78132"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/strongswan/strongswan",
"type": "GIT",
"events": [
{
"introduced": "266fcdce2b9b9b519d1283d41dbb517dc009fd02"
},
{
"fixed": "b43f6bfeed34b4afc8a7eb0c0de38e6e70177847"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "5.1.3"
},
{
"fixed": "6.1.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "b43f6bfeed34b4afc8a7eb0c0de38e6e70177847"
}
],
"source": "REFERENCES_TAG",
"original_tag": "6.1.0"
},
{
"cpe": "cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.1.3"
},
{
"fixed": "6.1.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"6.1.0rc1",
"6.0.7",
"6.0.6",
"6.0.5",
"6.0.5dr1",
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"6.0.4rc1",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78132.json"
}
}
],
"modified": "2026-10-28T02:30:24.214407426Z",
"provider": "osv",
"references": [
"https://github.com/strongswan/strongswan/releases/tag/6.1.0",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78132.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-78132",
"https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78132).html"
],
"provider_metadata": {
"cwe_ids": [
"CWE-835"
],
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78132.json"
}
},
"related_cves": [
{
"value": "CVE-2026-78132",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 490569,
"published_at": "2026-09-11T01:49:15.049+00:00"
}