UnratedFix available
bouncycastle — security advisory
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
- Products
- bouncycastle
- Affected versions
- Not specified
- Fixed versions
- 1.38-1
- CVEs
- CVE-2007-6721
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:55 UTC · Revision 1
Source evidence
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
osv:DEBIAN-CVE-2007-6721
bouncycastle
Fixed versions: 1.38-1
bouncycastle
Fixed versions: 1.38-1
bouncycastle
Fixed versions: 1.38-1
Complete source record
{
"id": "edcb1b8b1c0542a33e51ba836e2ee470e14d08297fee3217fb66d36c62e026f2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-6721",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-6721",
"summary": "The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to \"a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes.\"",
"evidence": "osv:DEBIAN-CVE-2007-6721",
"products": [
{
"name": {
"value": "bouncycastle",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.38-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bouncycastle",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.38-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bouncycastle",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.38-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-6721",
"aliases": [
"DEBIAN-CVE-2007-6721"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.38-1"
}
]
}
],
"package": {
"name": "bouncycastle",
"purl": "pkg:deb/debian/bouncycastle?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6721.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.38-1"
}
]
}
],
"package": {
"name": "bouncycastle",
"purl": "pkg:deb/debian/bouncycastle?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6721.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.38-1"
}
]
}
],
"package": {
"name": "bouncycastle",
"purl": "pkg:deb/debian/bouncycastle?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6721.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-21T17:47:45.235925853Z",
"provider": "osv",
"upstream": [
"CVE-2007-6721"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-6721"
]
},
"related_cves": [
{
"value": "CVE-2007-6721",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398562,
"published_at": "2009-03-30T01:30:00.217+00:00"
}