ImageMagick: Heap Buffer Overflow in ImageMagick MVG decoder

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Summary

CVECVE-2026-55577
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-01 19:16:54 UTC
Updated2026-07-02 19:30:48 UTC
DescriptionImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.002260000 probability, percentile 0.132020000 (date 2026-07-02)

Problem Types: CWE-754 | CWE-755 | CWE-787 | CWE-754 CWE-754: Improper Check for Unusual or Exceptional Conditions | CWE-755 CWE-755: Improper Handling of Exceptional Conditions | CWE-787 CWE-787: Out-of-bounds Write

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Imagemagick Imagemagick All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ImageMagick ImageMagick affected >= 7.0.1-0, < 7.1.2-26 Not specified
CNA ImageMagick ImageMagick affected < 6.9.13-51 Not specified

References

ReferenceSourceLinkTags
github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wx47-rm3x-jx6p [email protected] github.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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