Medium
imagemagick — security advisory
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.
- Products
- imagemagick
- Affected versions
- 8:7.1.1.43+dfsg1-1, 8:7.1.1.43+dfsg1-1ubuntu1, 8:7.1.1.43+dfsg1-1ubuntu2, 8:7.1.2.12+dfsg1-1, 8:7.1.2.13+dfsg1-1, 8:7.1.2.15+dfsg1-1, 8:7.1.2.16+dfsg1-1, 8:7.1.2.18+dfsg1-1, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm1, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm2, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm3, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm4, 8:7.1.2.25+dfsg1-2, 8:7.1.2.27+dfsg1-1, 8:7.1.2.3+dfsg1-1, 8:7.1.2.3+dfsg1-1ubuntu0.1, 8:7.1.2.31+dfsg1-1, 8:7.1.2.8+dfsg1-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-40183
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:02 UTC · Revision 1
Source evidence
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.
osv:UBUNTU-CVE-2026-40183
imagemagick
Fixed versions: Not specified
imagemagick
Fixed versions: Not specified
imagemagick
Fixed versions: Not specified
Complete source record
{
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"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-40183",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2026-40183",
"summary": "ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.",
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"severity": "medium",
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"aliases": [
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"metrics": [
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{
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"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
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{
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"affected": [
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}
],
"modified": "2026-10-17T13:00:03.618632584Z",
"provider": "osv",
"upstream": [
"CVE-2026-40183"
],
"references": [
"https://ubuntu.com/security/CVE-2026-40183",
"https://www.cve.org/CVERecord?id=CVE-2026-40183",
"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4",
"https://github.com/ImageMagick/ImageMagick/commit/1c7767fc5f822c6edc104c1220d523e96fa20b5a",
"https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19",
"https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"
]
},
"related_cves": [
{
"value": "CVE-2026-40183",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 360214,
"published_at": "2026-04-13T22:16:00+00:00"
}