CVE-2026-86421
Full vulnerability record from the local CVENow database.
Description
ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.
Severity
MEDIUM
CVSS score
6.3
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-09-07 13:20:40.963000
Last modified
2026-10-29 21:17:35.023000
View original CVE JSON
{
"id": "CVE-2026-86421",
"sourceIdentifier": "[email protected]",
"published": "2026-09-07T13:20:40.963",
"lastModified": "2026-10-29T21:17:35.023",
"vulnStatus": "Analyzed",
"cveTags": [],
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"value": "ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "ImageMagick",
"product": "ImageMagick",
"defaultStatus": "unaffected",
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],
"metrics": {
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"vulnIntegrityImpact": "NONE",
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"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
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"modifiedAttackVector": "NOT_DEFINED",
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"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
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{
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"ssvcV203": [
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"id": "CVE-2026-86421",
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"source": "[email protected]",
"tags": [
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},
{
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"source": "[email protected]",
"tags": [
"Third Party Advisory"
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}