advancecomp, cloop — security advisory
Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.
- Products
- advancecomp, cloop
- Affected versions
- 1.19-1, 1.20-1, 1.20-1ubuntu0.1, 1.20-1ubuntu0.2, 1.20-1ubuntu0.2+esm1, 1.20-1ubuntu0.2+esm2, 2.0-1, 2.1-1, 2.1-1ubuntu0.18.04.1, 2.1-1ubuntu0.18.04.2, 2.1-1ubuntu0.18.04.3, 2.1-2.1, 2.1-2.1build1, 2.1-2.1ubuntu0.20.04.1, 2.1-2.1ubuntu1, 2.1-2.1ubuntu2, 2.1-2.1ubuntu2.1, 2.5-1, 2.5-1build1, 2.5-1build2, 2.6.39.2-1ubuntu3, 3.14.1.1ubuntu1, 3.14.1.2ubuntu1, 3.14.1.2ubuntu3, 3.14.1.3, 3.14.1.3+nmu1, 3.14.1.3+nmu1build1
- Fixed versions
- Not specified
- CVEs
- CVE-2020-23909
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:29 UTC · Revision 1
Source evidence
Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.
osv:UBUNTU-CVE-2020-23909
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
advancecomp
Fixed versions: Not specified
cloop
Fixed versions: Not specified
Complete source record
{
"id": "6849a2b74bc7d6511be2fb97f506c0ea0852974ab0d31bfcb05ff3e7f34335f4",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-23909",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-23909",
"summary": "Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.",
"evidence": "osv:UBUNTU-CVE-2020-23909",
"products": [
{
"name": {
"value": "advancecomp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.19-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20-1ubuntu0.1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20-1ubuntu0.2",
"evidence": "/affected/0/versions"
},
{
"value": "1.20-1ubuntu0.2+esm1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20-1ubuntu0.2+esm2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.6.39.2-1ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "3.14.1.1ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3.14.1.2ubuntu1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "advancecomp",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "2.1-1",
"evidence": "/affected/2/versions"
},
{
"value": "2.1-1ubuntu0.18.04.1",
"evidence": "/affected/2/versions"
},
{
"value": "2.1-1ubuntu0.18.04.2",
"evidence": "/affected/2/versions"
},
{
"value": "2.1-1ubuntu0.18.04.3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.14.1.2ubuntu1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "advancecomp",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.1-2.1",
"evidence": "/affected/4/versions"
},
{
"value": "2.1-2.1build1",
"evidence": "/affected/4/versions"
},
{
"value": "2.1-2.1ubuntu0.20.04.1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.14.1.2ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "3.14.1.2ubuntu3",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "advancecomp",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.1-2.1ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "2.1-2.1ubuntu2",
"evidence": "/affected/6/versions"
},
{
"value": "2.1-2.1ubuntu2.1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.14.1.3",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "advancecomp",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.5-1",
"evidence": "/affected/8/versions"
},
{
"value": "2.5-1build1",
"evidence": "/affected/8/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.14.1.3+nmu1",
"evidence": "/affected/9/versions"
}
]
},
{
"name": {
"value": "advancecomp",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.5-1build1",
"evidence": "/affected/10/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.14.1.3+nmu1",
"evidence": "/affected/11/versions"
}
]
},
{
"name": {
"value": "advancecomp",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.5-1build2",
"evidence": "/affected/12/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.14.1.3+nmu1build1",
"evidence": "/affected/13/versions"
}
]
},
{
"name": {
"value": "advancecomp",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.5-1build1",
"evidence": "/affected/14/versions"
},
{
"value": "2.5-1build2",
"evidence": "/affected/14/versions"
}
]
},
{
"name": {
"value": "cloop",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.14.1.3+nmu1",
"evidence": "/affected/15/versions"
},
{
"value": "3.14.1.3+nmu1build1",
"evidence": "/affected/15/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2020-23909",
"aliases": [
"UBUNTU-CVE-2020-23909"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=esm-infra%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"1.19-1",
"1.20-1",
"1.20-1ubuntu0.1",
"1.20-1ubuntu0.2",
"1.20-1ubuntu0.2+esm1",
"1.20-1ubuntu0.2+esm2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "1.20-1ubuntu0.2+esm2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"2.6.39.2-1ubuntu3",
"3.14.1.1ubuntu1",
"3.14.1.2ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.2ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"2.0-1",
"2.1-1",
"2.1-1ubuntu0.18.04.1",
"2.1-1ubuntu0.18.04.2",
"2.1-1ubuntu0.18.04.3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "2.1-1ubuntu0.18.04.3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"3.14.1.2ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.2ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"2.1-2.1",
"2.1-2.1build1",
"2.1-2.1ubuntu0.20.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "2.1-2.1ubuntu0.20.04.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"3.14.1.2ubuntu1",
"3.14.1.2ubuntu3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.2ubuntu3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"2.1-2.1ubuntu1",
"2.1-2.1ubuntu2",
"2.1-2.1ubuntu2.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "2.1-2.1ubuntu2.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"3.14.1.3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-src",
"binary_version": "3.14.1.3"
},
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"2.5-1",
"2.5-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "2.5-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"3.14.1.3+nmu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-src",
"binary_version": "3.14.1.3+nmu1"
},
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.3+nmu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.5-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "2.5-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"3.14.1.3+nmu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-src",
"binary_version": "3.14.1.3+nmu1"
},
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.3+nmu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"2.5-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "2.5-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"3.14.1.3+nmu1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-src",
"binary_version": "3.14.1.3+nmu1build1"
},
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.3+nmu1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "advancecomp",
"purl": "pkg:deb/ubuntu/advancecomp?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2.5-1build1",
"2.5-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "advancecomp",
"binary_version": "2.5-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cloop",
"purl": "pkg:deb/ubuntu/cloop?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"3.14.1.3+nmu1",
"3.14.1.3+nmu1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23909.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cloop-src",
"binary_version": "3.14.1.3+nmu1build1"
},
{
"binary_name": "cloop-utils",
"binary_version": "3.14.1.3+nmu1build1"
}
]
}
}
],
"modified": "2026-10-17T12:56:54.312069415Z",
"provider": "osv",
"upstream": [
"CVE-2020-23909"
],
"references": [
"https://ubuntu.com/security/CVE-2020-23909",
"https://www.cve.org/CVERecord?id=CVE-2020-23909"
]
},
"related_cves": [
{
"value": "CVE-2020-23909",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356523,
"published_at": "2023-07-18T14:15:00+00:00"
}