High
jackson-dataformat-cbor — security advisory
This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.
- Products
- jackson-dataformat-cbor
- Affected versions
- 2.4.3-1, 2.7.8-1, 2.7.8-2, 2.7.8-3, 2.7.8-4, 2.7.8-5, 2.7.8-5.1
- Fixed versions
- Not specified
- CVEs
- CVE-2020-28491
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:38 UTC · Revision 1
Source evidence
This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.
osv:UBUNTU-CVE-2020-28491
jackson-dataformat-cbor
Fixed versions: Not specified
jackson-dataformat-cbor
Fixed versions: Not specified
jackson-dataformat-cbor
Fixed versions: Not specified
jackson-dataformat-cbor
Fixed versions: Not specified
jackson-dataformat-cbor
Fixed versions: Not specified
jackson-dataformat-cbor
Fixed versions: Not specified
jackson-dataformat-cbor
Fixed versions: Not specified
jackson-dataformat-cbor
Fixed versions: Not specified
Complete source record
{
"id": "92e3e5ee26d4c1ad0f2112ef6ee69d8c29c74eb562e6093048e2afbfd2165cb1",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-28491",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-28491",
"summary": "This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.",
"evidence": "osv:UBUNTU-CVE-2020-28491",
"products": [
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.4.3-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.8-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.7.8-2",
"evidence": "/affected/1/versions"
},
{
"value": "2.7.8-3",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.8-3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.8-3",
"evidence": "/affected/3/versions"
},
{
"value": "2.7.8-4",
"evidence": "/affected/3/versions"
},
{
"value": "2.7.8-5",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.8-5",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.8-5",
"evidence": "/affected/5/versions"
},
{
"value": "2.7.8-5.1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.8-5.1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "jackson-dataformat-cbor",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.8-5.1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2020-28491",
"aliases": [
"UBUNTU-CVE-2020-28491"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"2.4.3-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.4.3-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"2.7.8-1",
"2.7.8-2",
"2.7.8-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.7.8-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"2.7.8-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.7.8-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"2.7.8-3",
"2.7.8-4",
"2.7.8-5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.7.8-5"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"2.7.8-5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.7.8-5"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.7.8-5",
"2.7.8-5.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.7.8-5.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"2.7.8-5.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.7.8-5.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "jackson-dataformat-cbor",
"purl": "pkg:deb/ubuntu/jackson-dataformat-cbor?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2.7.8-5.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28491.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjackson2-dataformat-cbor",
"binary_version": "2.7.8-5.1"
}
]
}
}
],
"modified": "2026-10-17T12:55:53.145649216Z",
"provider": "osv",
"upstream": [
"CVE-2020-28491"
],
"references": [
"https://ubuntu.com/security/CVE-2020-28491",
"https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6",
"https://github.com/FasterXML/jackson-dataformats-binary/issues/186",
"https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329",
"https://www.cve.org/CVERecord?id=CVE-2020-28491"
]
},
"related_cves": [
{
"value": "CVE-2020-28491",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354220,
"published_at": "2021-02-18T16:15:00+00:00"
}