HighFix available
libdbi-perl — security advisory
A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
- Products
- libdbi-perl
- Affected versions
- 1.627-1, 1.628-1, 1.630-1, 1.630-1ubuntu0.1~esm1, 1.630-1ubuntu0.1~esm4, 1.630-1ubuntu0.1~esm5, 1.630-1ubuntu0.1~esm6, 1.630-1ubuntu0.1~esm8, 1.630-1ubuntu0.1~esm9, 1.633-1, 1.634-1, 1.634-1build1, 1.634-1ubuntu0.1, 1.634-1ubuntu0.2, 1.637-1, 1.639-1, 1.640-1, 1.640-1ubuntu0.1, 1.640-1ubuntu0.2
- Fixed versions
- 1.634-1ubuntu0.2+esm1, 1.640-1ubuntu0.3
- CVEs
- CVE-2020-14393
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 06:04 UTC · Revision 1
Source evidence
A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
osv:UBUNTU-CVE-2020-14393
libdbi-perl
Fixed versions: Not specified
libdbi-perl
Fixed versions: 1.634-1ubuntu0.2+esm1
libdbi-perl
Fixed versions: 1.640-1ubuntu0.3
Complete source record
{
"id": "4820f3c8273729c7c5dfb8201889d825815f978fb8bab7abc36d123f5f7b82ed",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-14393",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-14393",
"summary": "A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.",
"evidence": "osv:UBUNTU-CVE-2020-14393",
"products": [
{
"name": {
"value": "libdbi-perl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.627-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.628-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.630-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.630-1ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
},
{
"value": "1.630-1ubuntu0.1~esm4",
"evidence": "/affected/0/versions"
},
{
"value": "1.630-1ubuntu0.1~esm5",
"evidence": "/affected/0/versions"
},
{
"value": "1.630-1ubuntu0.1~esm6",
"evidence": "/affected/0/versions"
},
{
"value": "1.630-1ubuntu0.1~esm8",
"evidence": "/affected/0/versions"
},
{
"value": "1.630-1ubuntu0.1~esm9",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "libdbi-perl",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.634-1ubuntu0.2+esm1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "1.633-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.634-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.634-1build1",
"evidence": "/affected/1/versions"
},
{
"value": "1.634-1ubuntu0.1",
"evidence": "/affected/1/versions"
},
{
"value": "1.634-1ubuntu0.2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "libdbi-perl",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.640-1ubuntu0.3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "1.637-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.639-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.640-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.640-1ubuntu0.1",
"evidence": "/affected/2/versions"
},
{
"value": "1.640-1ubuntu0.2",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2020-14393",
"aliases": [
"UBUNTU-CVE-2020-14393"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libdbi-perl",
"purl": "pkg:deb/ubuntu/libdbi-perl?arch=source&distro=esm-infra-legacy%2Ftrusty",
"ecosystem": "Ubuntu:Pro:14.04:LTS"
},
"versions": [
"1.627-1",
"1.628-1",
"1.630-1",
"1.630-1ubuntu0.1~esm1",
"1.630-1ubuntu0.1~esm4",
"1.630-1ubuntu0.1~esm5",
"1.630-1ubuntu0.1~esm6",
"1.630-1ubuntu0.1~esm8",
"1.630-1ubuntu0.1~esm9"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14393.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libdbi-perl",
"binary_version": "1.630-1ubuntu0.1~esm9"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.634-1ubuntu0.2+esm1"
}
]
}
],
"package": {
"name": "libdbi-perl",
"purl": "pkg:deb/ubuntu/libdbi-perl?arch=source&distro=esm-infra%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"1.633-1",
"1.634-1",
"1.634-1build1",
"1.634-1ubuntu0.1",
"1.634-1ubuntu0.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14393.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libdbi-perl",
"binary_version": "1.634-1ubuntu0.2+esm1"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.640-1ubuntu0.3"
}
]
}
],
"package": {
"name": "libdbi-perl",
"purl": "pkg:deb/ubuntu/libdbi-perl?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.637-1",
"1.639-1",
"1.640-1",
"1.640-1ubuntu0.1",
"1.640-1ubuntu0.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14393.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libdbi-perl",
"binary_version": "1.640-1ubuntu0.3"
}
],
"availability": "No subscription required"
}
}
],
"modified": "2026-10-12T07:45:03.006748228Z",
"provider": "osv",
"upstream": [
"CVE-2020-14393"
],
"references": [
"https://ubuntu.com/security/CVE-2020-14393",
"https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643",
"https://ubuntu.com/security/notices/USN-5030-1",
"https://ubuntu.com/security/notices/USN-5030-2",
"https://www.cve.org/CVERecord?id=CVE-2020-14393"
]
},
"related_cves": [
{
"value": "CVE-2020-14393",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 298667,
"published_at": "2020-09-16T14:15:00+00:00"
}