High
libjose4j-java — security advisory
jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.
- Products
- libjose4j-java
- Affected versions
- 0.7.12-1, 0.7.12-2, 0.7.7-2, 0.9.6-1
- Fixed versions
- Not specified
- CVEs
- CVE-2023-31582
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:40 UTC · Revision 1
Source evidence
jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.
osv:UBUNTU-CVE-2023-31582
libjose4j-java
Fixed versions: Not specified
libjose4j-java
Fixed versions: Not specified
libjose4j-java
Fixed versions: Not specified
libjose4j-java
Fixed versions: Not specified
libjose4j-java
Fixed versions: Not specified
Complete source record
{
"id": "43c67ea53a9f909751bad4849704e637aa3e05d0ce8fbb1ed3ecf135e86a0c85",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-31582",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2023-31582",
"summary": "jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.",
"evidence": "osv:UBUNTU-CVE-2023-31582",
"products": [
{
"name": {
"value": "libjose4j-java",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.7.7-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "libjose4j-java",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.7.12-1",
"evidence": "/affected/1/versions"
},
{
"value": "0.7.12-2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "libjose4j-java",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.9.6-1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "libjose4j-java",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.9.6-1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "libjose4j-java",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.9.6-1",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2023-31582",
"aliases": [
"UBUNTU-CVE-2023-31582"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libjose4j-java",
"purl": "pkg:deb/ubuntu/libjose4j-java?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"0.7.7-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31582.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjose4j-java",
"binary_version": "0.7.7-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libjose4j-java",
"purl": "pkg:deb/ubuntu/libjose4j-java?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"0.7.12-1",
"0.7.12-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31582.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjose4j-java",
"binary_version": "0.7.12-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libjose4j-java",
"purl": "pkg:deb/ubuntu/libjose4j-java?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"0.9.6-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31582.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjose4j-java",
"binary_version": "0.9.6-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libjose4j-java",
"purl": "pkg:deb/ubuntu/libjose4j-java?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"0.9.6-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31582.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjose4j-java",
"binary_version": "0.9.6-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libjose4j-java",
"purl": "pkg:deb/ubuntu/libjose4j-java?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"0.9.6-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31582.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjose4j-java",
"binary_version": "0.9.6-1"
}
]
}
}
],
"modified": "2026-10-17T12:57:18.169224937Z",
"provider": "osv",
"upstream": [
"CVE-2023-31582"
],
"references": [
"https://ubuntu.com/security/CVE-2023-31582",
"https://bitbucket.org/b_c/jose4j/issues/203/insecure-support-of-setting-pbe-less-then",
"https://github.com/KANIXB/JWTIssues/blob/main/jose4j%20issue.md",
"https://www.cve.org/CVERecord?id=CVE-2023-31582"
]
},
"related_cves": [
{
"value": "CVE-2023-31582",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 357139,
"published_at": "2023-10-25T18:17:00+00:00"
}