HighFix available
mapcache, netcdf and 2 more products — security advisory
The ezxml_new function in ezXML 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhausting the memory pool.
- Products
- mapcache, netcdf, netcdf-parallel, scilab
- Affected versions
- 1.14.0-1, 1.14.0-2, 1.14.0-2.1~exp1, 1.14.0-3, 1.14.0-3~exp1, 1.14.0-3~exp2, 1.14.0-4, 1.14.1-1, 1.14.1-1~bpo12+1, 1.14.1-2, 1.14.1-3, 1.16.0-1, 1.16.0-1~bpo13+1, 2024.0.0+dfsg-1, 2024.0.0+dfsg-2, 2024.0.0+dfsg-3, 2024.0.0+dfsg-4, 2024.0.0+dfsg-5, 2024.0.0+dfsg-6, 2024.1.0+dfsg-1, 2024.1.0+dfsg-2, 2024.1.0+dfsg-3, 2024.1.0+dfsg-4, 2024.1.0+dfsg-5, 2024.1.0+dfsg-6, 2024.1.0+dfsg-6+deb13u1, 2024.1.0+dfsg-7, 2024.1.0+dfsg-8, 2024.1.0+dfsg1-1, 2024.1.0+dfsg1-2, 2024.1.0+dfsg1-3, 2024.1.0+dfsg1-4, 6.1.1+dfsg2-10, 6.1.1+dfsg2-6, 6.1.1+dfsg2-7, 6.1.1+dfsg2-7~exp0, 6.1.1+dfsg2-8, 6.1.1+dfsg2-9
- Fixed versions
- 1:4.9.0-1, 2024.1.0+dfsg1-1
- CVEs
- CVE-2021-26221
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:05 UTC · Revision 1
Source evidence
The ezxml_new function in ezXML 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhausting the memory pool.
osv:DEBIAN-CVE-2021-26221
mapcache
Fixed versions: Not specified
mapcache
Fixed versions: Not specified
mapcache
Fixed versions: Not specified
netcdf
Fixed versions: 1:4.9.0-1
netcdf
Fixed versions: 1:4.9.0-1
netcdf
Fixed versions: 1:4.9.0-1
netcdf-parallel
Fixed versions: 1:4.9.0-1
netcdf-parallel
Fixed versions: 1:4.9.0-1
netcdf-parallel
Fixed versions: 1:4.9.0-1
scilab
Fixed versions: Not specified
scilab
Fixed versions: Not specified
scilab
Fixed versions: 2024.1.0+dfsg1-1
Complete source record
{
"id": "29e6911138c9af6ded773919ab0a270cc8c0382f57376bc3d5b8900c7b30ebfd",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-26221",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-26221",
"summary": "The ezxml_new function in ezXML 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhausting the memory pool.",
"evidence": "osv:DEBIAN-CVE-2021-26221",
"products": [
{
"name": {
"value": "mapcache",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.14.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.0-2.1~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.0-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.0-3~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.0-3~exp2",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.0-4",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.1-1~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.14.1-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.16.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.16.0-1~bpo13+1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "mapcache",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.14.1-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.16.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.16.0-1~bpo13+1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "mapcache",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.14.1-3",
"evidence": "/affected/2/versions"
},
{
"value": "1.16.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.16.0-1~bpo13+1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "netcdf",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.9.0-1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "netcdf",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.9.0-1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "netcdf",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.9.0-1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "netcdf-parallel",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.9.0-1",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "netcdf-parallel",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.9.0-1",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "netcdf-parallel",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:4.9.0-1",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "scilab",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2024.0.0+dfsg-1",
"evidence": "/affected/9/versions"
},
{
"value": "2024.0.0+dfsg-2",
"evidence": "/affected/9/versions"
},
{
"value": "2024.0.0+dfsg-3",
"evidence": "/affected/9/versions"
},
{
"value": "2024.0.0+dfsg-4",
"evidence": "/affected/9/versions"
},
{
"value": "2024.0.0+dfsg-5",
"evidence": "/affected/9/versions"
},
{
"value": "2024.0.0+dfsg-6",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-1",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-2",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-3",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-4",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-5",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-6",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-7",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg-8",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg1-1",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg1-2",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg1-3",
"evidence": "/affected/9/versions"
},
{
"value": "2024.1.0+dfsg1-4",
"evidence": "/affected/9/versions"
},
{
"value": "6.1.1+dfsg2-10",
"evidence": "/affected/9/versions"
},
{
"value": "6.1.1+dfsg2-6",
"evidence": "/affected/9/versions"
},
{
"value": "6.1.1+dfsg2-7",
"evidence": "/affected/9/versions"
},
{
"value": "6.1.1+dfsg2-7~exp0",
"evidence": "/affected/9/versions"
},
{
"value": "6.1.1+dfsg2-8",
"evidence": "/affected/9/versions"
},
{
"value": "6.1.1+dfsg2-9",
"evidence": "/affected/9/versions"
}
]
},
{
"name": {
"value": "scilab",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2024.1.0+dfsg-6",
"evidence": "/affected/10/versions"
},
{
"value": "2024.1.0+dfsg-6+deb13u1",
"evidence": "/affected/10/versions"
},
{
"value": "2024.1.0+dfsg-7",
"evidence": "/affected/10/versions"
},
{
"value": "2024.1.0+dfsg-8",
"evidence": "/affected/10/versions"
},
{
"value": "2024.1.0+dfsg1-1",
"evidence": "/affected/10/versions"
},
{
"value": "2024.1.0+dfsg1-2",
"evidence": "/affected/10/versions"
},
{
"value": "2024.1.0+dfsg1-3",
"evidence": "/affected/10/versions"
},
{
"value": "2024.1.0+dfsg1-4",
"evidence": "/affected/10/versions"
}
]
},
{
"name": {
"value": "scilab",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2024.1.0+dfsg1-1",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": [
{
"value": "2024.1.0+dfsg-6",
"evidence": "/affected/11/versions"
},
{
"value": "2024.1.0+dfsg-7",
"evidence": "/affected/11/versions"
},
{
"value": "2024.1.0+dfsg-8",
"evidence": "/affected/11/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2021-26221",
"aliases": [
"DEBIAN-CVE-2021-26221"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mapcache",
"purl": "pkg:deb/debian/mapcache?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.14.0-1",
"1.14.0-2",
"1.14.0-2.1~exp1",
"1.14.0-3",
"1.14.0-3~exp1",
"1.14.0-3~exp2",
"1.14.0-4",
"1.14.1-1",
"1.14.1-1~bpo12+1",
"1.14.1-2",
"1.14.1-3",
"1.16.0-1",
"1.16.0-1~bpo13+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mapcache",
"purl": "pkg:deb/debian/mapcache?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.14.1-3",
"1.16.0-1",
"1.16.0-1~bpo13+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mapcache",
"purl": "pkg:deb/debian/mapcache?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.14.1-3",
"1.16.0-1",
"1.16.0-1~bpo13+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.9.0-1"
}
]
}
],
"package": {
"name": "netcdf",
"purl": "pkg:deb/debian/netcdf?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.9.0-1"
}
]
}
],
"package": {
"name": "netcdf",
"purl": "pkg:deb/debian/netcdf?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.9.0-1"
}
]
}
],
"package": {
"name": "netcdf",
"purl": "pkg:deb/debian/netcdf?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.9.0-1"
}
]
}
],
"package": {
"name": "netcdf-parallel",
"purl": "pkg:deb/debian/netcdf-parallel?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.9.0-1"
}
]
}
],
"package": {
"name": "netcdf-parallel",
"purl": "pkg:deb/debian/netcdf-parallel?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.9.0-1"
}
]
}
],
"package": {
"name": "netcdf-parallel",
"purl": "pkg:deb/debian/netcdf-parallel?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "scilab",
"purl": "pkg:deb/debian/scilab?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2024.0.0+dfsg-1",
"2024.0.0+dfsg-2",
"2024.0.0+dfsg-3",
"2024.0.0+dfsg-4",
"2024.0.0+dfsg-5",
"2024.0.0+dfsg-6",
"2024.1.0+dfsg-1",
"2024.1.0+dfsg-2",
"2024.1.0+dfsg-3",
"2024.1.0+dfsg-4",
"2024.1.0+dfsg-5",
"2024.1.0+dfsg-6",
"2024.1.0+dfsg-7",
"2024.1.0+dfsg-8",
"2024.1.0+dfsg1-1",
"2024.1.0+dfsg1-2",
"2024.1.0+dfsg1-3",
"2024.1.0+dfsg1-4",
"6.1.1+dfsg2-10",
"6.1.1+dfsg2-6",
"6.1.1+dfsg2-7",
"6.1.1+dfsg2-7~exp0",
"6.1.1+dfsg2-8",
"6.1.1+dfsg2-9"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "scilab",
"purl": "pkg:deb/debian/scilab?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"2024.1.0+dfsg-6",
"2024.1.0+dfsg-6+deb13u1",
"2024.1.0+dfsg-7",
"2024.1.0+dfsg-8",
"2024.1.0+dfsg1-1",
"2024.1.0+dfsg1-2",
"2024.1.0+dfsg1-3",
"2024.1.0+dfsg1-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2024.1.0+dfsg1-1"
}
]
}
],
"package": {
"name": "scilab",
"purl": "pkg:deb/debian/scilab?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"2024.1.0+dfsg-6",
"2024.1.0+dfsg-7",
"2024.1.0+dfsg-8"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26221.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-23T18:02:57.996942169Z",
"provider": "osv",
"upstream": [
"CVE-2021-26221"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-26221"
]
},
"related_cves": [
{
"value": "CVE-2021-26221",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 419949,
"published_at": "2021-02-08T21:15:13.523+00:00"
}