MediumFix available
imagemagick — security advisory
In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a crafted file.
- Products
- imagemagick
- Affected versions
- Not specified
- Fixed versions
- 8:6.9.10.2+dfsg-2
- CVEs
- CVE-2018-16749
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:28 UTC · Revision 1
Source evidence
In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a crafted file.
osv:DEBIAN-CVE-2018-16749
imagemagick
Fixed versions: 8:6.9.10.2+dfsg-2
imagemagick
Fixed versions: 8:6.9.10.2+dfsg-2
imagemagick
Fixed versions: 8:6.9.10.2+dfsg-2
Complete source record
{
"id": "0b401334914701e310613307372baf9240c55a27940f521dd03778ed34fb0ede",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-16749",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-16749",
"summary": "In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a crafted file.",
"evidence": "osv:DEBIAN-CVE-2018-16749",
"products": [
{
"name": {
"value": "imagemagick",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.9.10.2+dfsg-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "imagemagick",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.9.10.2+dfsg-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "imagemagick",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.9.10.2+dfsg-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-16749",
"aliases": [
"DEBIAN-CVE-2018-16749"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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{
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}
]
}
],
"package": {
"name": "imagemagick",
"purl": "pkg:deb/debian/imagemagick?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-16749.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
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"events": [
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{
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]
}
],
"package": {
"name": "imagemagick",
"purl": "pkg:deb/debian/imagemagick?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-16749.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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{
"fixed": "8:6.9.10.2+dfsg-2"
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]
}
],
"package": {
"name": "imagemagick",
"purl": "pkg:deb/debian/imagemagick?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-16749.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T18:03:19.828687694Z",
"provider": "osv",
"upstream": [
"CVE-2018-16749"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-16749"
]
},
"related_cves": [
{
"value": "CVE-2018-16749",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421173,
"published_at": "2018-09-09T15:29:00.22+00:00"
}