High
Security advisory
Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-15237
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:45 UTC · Revision 1
Source evidence
Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.
osv:CVE-2019-15237
Complete source record
{
"id": "f798e0eb66d2697698c469a59c18fd4398abc6d85cff42c8458e17fcd409ad82",
"url": "https://osv.dev/vulnerability/CVE-2019-15237",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-15237",
"summary": "Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.",
"evidence": "osv:CVE-2019-15237",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-15237",
"aliases": [
"CVE-2019-15237"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/roundcube/roundcubemail",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "7b8a183e9ff5e4329e425ca5595a0674c08a4e82"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "1.3.9"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"1.3.9",
"1.3.8",
"1.3.7",
"1.3.6",
"1.3.5",
"1.3.4",
"1.3.3",
"1.3.2",
"1.3.1",
"1.3.0",
"1.3-rc",
"1.3-beta",
"1.2-rc",
"1.2-beta",
"1.1.0",
"1.1-rc",
"1.1-beta",
"v0.1-beta2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15237.json"
}
}
],
"modified": "2026-10-20T10:51:37.537837731Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFFMSO5WKEYSGMTZPZFF4ZADUJ57PRN5/",
"https://github.com/roundcube/roundcubemail/issues/6891"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "29"
},
{
"last_affected": "29"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-15237",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382674,
"published_at": "2019-08-20T01:15:09.977+00:00"
}