Vulnerability record/PUBLISHED/Published Jul 8, 2026 13:49:04 UTC

CVE-2026-56362

ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.

Base score2.1/ 10

SeverityLowCVSS 4.0

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityLow

Attack vectorNetworkAV

Attack complexityHighAC

Attack requirementsPresentAT

Privileges requiredHighPR

User interactionNoneUI

Vulnerable system confidentialityLowVC

Vulnerable system integrityNoneVI

Vulnerable system availabilityLowVA

Subsequent system confidentialityNoneSC

Subsequent system integrityNoneSI

Subsequent system availabilityNoneSA

CVSS vector stringCVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityVulnCheck

Last updatedOct 29, 2026 21:15:49 UTC

PublishedJul 8, 2026 13:49:04 UTC

ReservedJun 20, 2026 21:16:53 UTC

Credits

ylwango613