Severity:

HIGH RISK

(7.5)

Heap Data Exposure (CWE-200) via libheif Grid Decoding

CVE-2026-47247

Published:

Jul 21, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Category:

Information Disclosure

CWE:

CWE-200;CWE-226;CWE-682;CWE-908

Impact:

Exposure of sensitive heap memory contents

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Information Disclosure

CWE:

CWE-200;CWE-226;CWE-682;CWE-908

Impact:

Exposure of sensitive heap memory contents

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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