MediumFix available
mupdf — security advisory
A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.
- Products
- mupdf
- Affected versions
- Not specified
- Fixed versions
- 1.20.0+ds1-1
- CVEs
- CVE-2021-4216
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 02:01 UTC · Revision 1
Source evidence
A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.
osv:DEBIAN-CVE-2021-4216
mupdf
Fixed versions: 1.20.0+ds1-1
mupdf
Fixed versions: 1.20.0+ds1-1
mupdf
Fixed versions: 1.20.0+ds1-1
Complete source record
{
"id": "284b429f1f0afaf0163dbcc3de5998047f7d15b989623639f0c0efc39bad2ae7",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-4216",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-4216",
"summary": "A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.",
"evidence": "osv:DEBIAN-CVE-2021-4216",
"products": [
{
"name": {
"value": "mupdf",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.0+ds1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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},
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],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2021-4216",
"aliases": [
"DEBIAN-CVE-2021-4216"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"events": [
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"introduced": "0"
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{
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}
],
"package": {
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"purl": "pkg:deb/debian/mupdf?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4216.json"
},
"ecosystem_specific": {
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}
},
{
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],
"package": {
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"purl": "pkg:deb/debian/mupdf?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4216.json"
},
"ecosystem_specific": {
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},
{
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}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/debian/mupdf?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4216.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-23T18:05:23.124235259Z",
"provider": "osv",
"upstream": [
"CVE-2021-4216"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-4216"
]
},
"related_cves": [
{
"value": "CVE-2021-4216",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 424381,
"published_at": "2022-08-26T16:15:09.82+00:00"
}