CVE-2026-40312 (GCVE-0-2026-40312)
Vulnerability from cvelistv5 – Published: 2026-04-13 21:43 – Updated: 2026-04-13 21:43
VLAI?
Title
ImageMagick: Off-by-One in MSL decoder could result in crash
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, an off by one error in the MSL decoder could result in a crash when a malicous MSL file is read. This issue has been fixed in version 7.1.2-19.
Severity ?
6.2 (Medium)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 7.1.2-19
|
{
"containers": {
"cna": {
"affected": [
{
"product": "ImageMagick",
"vendor": "ImageMagick",
"versions": [
{
"status": "affected",
"version": "\u003c 7.1.2-19"
}
]
}
],
"descriptions": [
{
"lang": "en",
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}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-193",
"description": "CWE-193: Off-by-one Error",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-13T21:43:28.416Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5xg3-585r-9jh5",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5xg3-585r-9jh5"
},
{
"name": "https://github.com/ImageMagick/ImageMagick/commit/2a06c7be3bba3326caf8b7a8d1fa2e0d4b88998d",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ImageMagick/ImageMagick/commit/2a06c7be3bba3326caf8b7a8d1fa2e0d4b88998d"
},
{
"name": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"
},
{
"name": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"
}
],
"source": {
"advisory": "GHSA-5xg3-585r-9jh5",
"discovery": "UNKNOWN"
},
"title": "ImageMagick: Off-by-One in MSL decoder could result in crash"
}
},
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-40312",
"datePublished": "2026-04-13T21:43:28.416Z",
"dateReserved": "2026-04-10T21:41:54.505Z",
"dateUpdated": "2026-04-13T21:43:28.416Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-40312\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-04-13T22:16:30.113\",\"lastModified\":\"2026-04-13T22:16:30.113\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, an off by one error in the MSL decoder could result in a crash when a malicous MSL file is read. This issue has been fixed in version 7.1.2-19.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.2,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.5,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-193\"}]}],\"references\":[{\"url\":\"https://github.com/ImageMagick/ImageMagick/commit/2a06c7be3bba3326caf8b7a8d1fa2e0d4b88998d\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5xg3-585r-9jh5\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0\",\"source\":\"security-advisories@github.com\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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