Critical
mruby — security advisory
Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.
- Products
- mruby
- Affected versions
- 1.1.0+20150817+gita1731254-1, 1.1.0+20150906+git1cbbb7e1-1, 1.2.0+20160315+git4f20d58a-1, 1.3.0+20170925+git38185028-1, 1.3.0+20171029+git77edafb0-1, 1.3.0-1, 1.4.0-1, 2.0.0-1, 2.1.2-3, 3.0.0-1, 3.0.0-3, 3.2.0-1, 3.2.0-2, 3.3.0-1, 3.4.0-2, 3.4.0-3, 4.0.0-1
- Fixed versions
- Not specified
- CVEs
- CVE-2022-0631
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:38 UTC · Revision 1
Source evidence
Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.
osv:UBUNTU-CVE-2022-0631
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
Complete source record
{
"id": "6cf5149c614284b469f7105179f9e01a7120438cd01e1a411ee91b1b60eadc9e",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2022-0631",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2022-0631",
"summary": "Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.",
"evidence": "osv:UBUNTU-CVE-2022-0631",
"products": [
{
"name": {
"value": "mruby",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.0+20150817+gita1731254-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.1.0+20150906+git1cbbb7e1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.0+20160315+git4f20d58a-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "mruby",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.3.0+20170925+git38185028-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.3.0+20171029+git77edafb0-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.4.0-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "mruby",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.0.0-1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "mruby",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.1.2-3",
"evidence": "/affected/3/versions"
},
{
"value": "3.0.0-1",
"evidence": "/affected/3/versions"
},
{
"value": "3.0.0-3",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "mruby",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.2.0-1",
"evidence": "/affected/4/versions"
},
{
"value": "3.2.0-2",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "mruby",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.3.0-1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "mruby",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.4.0-2",
"evidence": "/affected/6/versions"
},
{
"value": "3.4.0-3",
"evidence": "/affected/6/versions"
},
{
"value": "4.0.0-1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "mruby",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.3.0-1",
"evidence": "/affected/7/versions"
},
{
"value": "3.4.0-2",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2022-0631",
"aliases": [
"UBUNTU-CVE-2022-0631"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"1.1.0+20150817+gita1731254-1",
"1.1.0+20150906+git1cbbb7e1-1",
"1.2.0+20160315+git4f20d58a-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "1.2.0+20160315+git4f20d58a-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.3.0-1",
"1.3.0+20170925+git38185028-1",
"1.3.0+20171029+git77edafb0-1",
"1.4.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "1.4.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"2.0.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "2.0.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"2.1.2-3",
"3.0.0-1",
"3.0.0-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "3.0.0-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"3.2.0-1",
"3.2.0-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "3.2.0-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"3.3.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "3.3.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"3.4.0-2",
"3.4.0-3",
"4.0.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "4.0.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mruby",
"purl": "pkg:deb/ubuntu/mruby?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"3.3.0-1",
"3.4.0-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-0631.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mruby",
"binary_version": "3.4.0-2"
}
]
}
}
],
"modified": "2026-10-17T12:57:14.497524014Z",
"provider": "osv",
"upstream": [
"CVE-2022-0631"
],
"references": [
"https://ubuntu.com/security/CVE-2022-0631",
"https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299",
"https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40",
"https://www.cve.org/CVERecord?id=CVE-2022-0631"
]
},
"related_cves": [
{
"value": "CVE-2022-0631",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 356997,
"published_at": "2022-02-18T14:15:00+00:00"
}