UnratedFix available
lasso — security advisory
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
- Products
- lasso
- Affected versions
- Not specified
- Fixed versions
- 2.2.1-2
- CVEs
- CVE-2009-0050
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:42 UTC · Revision 1
Source evidence
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
osv:DEBIAN-CVE-2009-0050
lasso
Fixed versions: 2.2.1-2
lasso
Fixed versions: 2.2.1-2
lasso
Fixed versions: 2.2.1-2
Complete source record
{
"id": "dabcb8ff046346e1cd7f4471c7fec0807c688d3f10951d8bfd285b0ae99aa632",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2009-0050",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2009-0050",
"summary": "Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.",
"evidence": "osv:DEBIAN-CVE-2009-0050",
"products": [
{
"name": {
"value": "lasso",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.1-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "lasso",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.1-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "lasso",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.1-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2009-0050",
"aliases": [
"DEBIAN-CVE-2009-0050"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.1-2"
}
]
}
],
"package": {
"name": "lasso",
"purl": "pkg:deb/debian/lasso?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0050.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.1-2"
}
]
}
],
"package": {
"name": "lasso",
"purl": "pkg:deb/debian/lasso?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0050.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.1-2"
}
]
}
],
"package": {
"name": "lasso",
"purl": "pkg:deb/debian/lasso?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0050.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:28.214156549Z",
"provider": "osv",
"upstream": [
"CVE-2009-0050"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2009-0050"
]
},
"related_cves": [
{
"value": "CVE-2009-0050",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 417086,
"published_at": "2009-01-07T18:30:15.86+00:00"
}