DEBIAN-CVE-2026-5588
Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules), Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All (pkix modules), Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All (pkix modules). This vulnerability is associated with program files JcaContentVerifierProviderBuilder.Java, JcaContentVerfierProviderBuilder.Java. This issue affects BC-JAVA: from 1.67 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84; BCPKIX-FIPS: from 2.0.6 before 2.0.11, from 2.1.7 before 2.1.11; BCPIX-LTS: from 2.73.7 before 2.73.11.
DEBIAN-CVE-2026-5588
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-5588
bouncycastle
Source reference: /affected/0/package/name
- Affected versions
- 1.72-2
Source reference:
/affected/0/versions1.77-1Source reference:
/affected/0/versions1.80-1Source reference:
/affected/0/versions1.80-2Source reference:
/affected/0/versions1.80-3Source reference:
/affected/0/versions1.86-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
bouncycastle
Source reference: /affected/1/package/name
- Affected versions
- 1.80-3
Source reference:
/affected/1/versions1.86-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
bouncycastle
Source reference: /affected/2/package/name
- Affected versions
- 1.80-3
Source reference:
/affected/2/versions - Fixed versions
- 1.86-1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "bouncycastle",
"purl": "pkg:deb/debian/bouncycastle?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.72-2",
"1.77-1",
"1.80-1",
"1.80-2",
"1.80-3",
"1.86-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5588.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "bouncycastle",
"purl": "pkg:deb/debian/bouncycastle?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.80-3",
"1.86-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5588.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.86-1"
}
]
}
],
"package": {
"name": "bouncycastle",
"purl": "pkg:deb/debian/bouncycastle?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.80-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5588.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]- Related CVEs
- CVE-2026-5588
Source reference:
/upstream
Publisher severity
medium
Source reference: /severity/0/score
- Event
- #72870 · Revision 1
- Added to Heist Feed
- Publisher date